Home / 73,366,839.60-109,788,985.80-63,886,340.40

Finding the Fourth Proportional to 73,366,839.60, 109,788,985.80 and 63,886,340.40

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Solution

The fourth proportional to 73,366,839.60, 109,788,985.80 and 63,886,340.40 is: 95,601,998.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,366,839.60 : 109,788,985.80 = 63,886,340.40 : x
  2. Step 2: Convert to fraction form
    73,366,839.60/109,788,985.80 = 63,886,340.40/x
  3. Step 3: Cross multiply
    73,366,839.60x = 109,788,985.80 × 63,886,340.40
  4. Step 4: Simplify right side
    73,366,839.60x = 7,014,016,518,989,566
  5. Step 5: Solve for x
    x = 7,014,016,518,989,566/73,366,839.60
  6. Step 6: Final answer
    x = 95,601,998.90

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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.