Home / 160,664,395,448.90-221,710,207,813.38-87,420,928,573.10

Finding the Fourth Proportional to 160,664,395,448.90, 221,710,207,813.38 and 87,420,928,573.10

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Solution

The fourth proportional to 160,664,395,448.90, 221,710,207,813.38 and 87,420,928,573.10 is: 120,637,258,721.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,664,395,448.90 : 221,710,207,813.38 = 87,420,928,573.10 : x
  2. Step 2: Convert to fraction form
    160,664,395,448.90/221,710,207,813.38 = 87,420,928,573.10/x
  3. Step 3: Cross multiply
    160,664,395,448.90x = 221,710,207,813.38 × 87,420,928,573.10
  4. Step 4: Simplify right side
    160,664,395,448.90x = 19,382,112,241,180,651,552,768
  5. Step 5: Solve for x
    x = 19,382,112,241,180,651,552,768/160,664,395,448.90
  6. Step 6: Final answer
    x = 120,637,258,721.99

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.