Home / 103,680,809.60-155,521,214.40-62,866,140.80

Finding the Fourth Proportional to 103,680,809.60, 155,521,214.40 and 62,866,140.80

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Solution

The fourth proportional to 103,680,809.60, 155,521,214.40 and 62,866,140.80 is: 94,299,211.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,680,809.60 : 155,521,214.40 = 62,866,140.80 : x
  2. Step 2: Convert to fraction form
    103,680,809.60/155,521,214.40 = 62,866,140.80/x
  3. Step 3: Cross multiply
    103,680,809.60x = 155,521,214.40 × 62,866,140.80
  4. Step 4: Simplify right side
    103,680,809.60x = 9,777,018,561,857,388
  5. Step 5: Solve for x
    x = 9,777,018,561,857,388/103,680,809.60
  6. Step 6: Final answer
    x = 94,299,211.20

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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.