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Finding the Fourth Proportional to 59,689,809.60, 89,601,069.60 and 36,996,331.20

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Solution

The fourth proportional to 59,689,809.60, 89,601,069.60 and 36,996,331.20 is: 55,535,624.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,689,809.60 : 89,601,069.60 = 36,996,331.20 : x
  2. Step 2: Convert to fraction form
    59,689,809.60/89,601,069.60 = 36,996,331.20/x
  3. Step 3: Cross multiply
    59,689,809.60x = 89,601,069.60 × 36,996,331.20
  4. Step 4: Simplify right side
    59,689,809.60x = 3,314,910,846,795,851.50
  5. Step 5: Solve for x
    x = 3,314,910,846,795,851.50/59,689,809.60
  6. Step 6: Final answer
    x = 55,535,624.41

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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.