Home / 220,835,182.40-304,752,562.08-128,069,498.24

Finding the Fourth Proportional to 220,835,182.40, 304,752,562.08 and 128,069,498.24

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Solution

The fourth proportional to 220,835,182.40, 304,752,562.08 and 128,069,498.24 is: 176,735,913.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,835,182.40 : 304,752,562.08 = 128,069,498.24 : x
  2. Step 2: Convert to fraction form
    220,835,182.40/304,752,562.08 = 128,069,498.24/x
  3. Step 3: Cross multiply
    220,835,182.40x = 304,752,562.08 × 128,069,498.24
  4. Step 4: Simplify right side
    220,835,182.40x = 39,029,507,712,940,048
  5. Step 5: Solve for x
    x = 39,029,507,712,940,048/220,835,182.40
  6. Step 6: Final answer
    x = 176,735,913.58

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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.