Home / 89,645,994.13-123,768,591.65-73,165,430.53

Finding the Fourth Proportional to 89,645,994.13, 123,768,591.65 and 73,165,430.53

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Solution

The fourth proportional to 89,645,994.13, 123,768,591.65 and 73,165,430.53 is: 101,014,912.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,645,994.13 : 123,768,591.65 = 73,165,430.53 : x
  2. Step 2: Convert to fraction form
    89,645,994.13/123,768,591.65 = 73,165,430.53/x
  3. Step 3: Cross multiply
    89,645,994.13x = 123,768,591.65 × 73,165,430.53
  4. Step 4: Simplify right side
    89,645,994.13x = 9,055,582,294,813,082
  5. Step 5: Solve for x
    x = 9,055,582,294,813,082/89,645,994.13
  6. Step 6: Final answer
    x = 101,014,912.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.