Home / 52,130,257.20-78,232,710.60-21,859,844.40

Finding the Fourth Proportional to 52,130,257.20, 78,232,710.60 and 21,859,844.40

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Solution

The fourth proportional to 52,130,257.20, 78,232,710.60 and 21,859,844.40 is: 32,805,418.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,130,257.20 : 78,232,710.60 = 21,859,844.40 : x
  2. Step 2: Convert to fraction form
    52,130,257.20/78,232,710.60 = 21,859,844.40/x
  3. Step 3: Cross multiply
    52,130,257.20x = 78,232,710.60 × 21,859,844.40
  4. Step 4: Simplify right side
    52,130,257.20x = 1,710,154,880,706,230.50
  5. Step 5: Solve for x
    x = 1,710,154,880,706,230.50/52,130,257.20
  6. Step 6: Final answer
    x = 32,805,418.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.