Home / 93,316,279.20-139,974,418.80-69,129,808.80

Finding the Fourth Proportional to 93,316,279.20, 139,974,418.80 and 69,129,808.80

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Solution

The fourth proportional to 93,316,279.20, 139,974,418.80 and 69,129,808.80 is: 103,694,713.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,316,279.20 : 139,974,418.80 = 69,129,808.80 : x
  2. Step 2: Convert to fraction form
    93,316,279.20/139,974,418.80 = 69,129,808.80/x
  3. Step 3: Cross multiply
    93,316,279.20x = 139,974,418.80 × 69,129,808.80
  4. Step 4: Simplify right side
    93,316,279.20x = 9,676,404,808,535,126
  5. Step 5: Solve for x
    x = 9,676,404,808,535,126/93,316,279.20
  6. Step 6: Final answer
    x = 103,694,713.20

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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.