Home / 74,532,145.28-102,894,732.96-52,273,487.84

Finding the Fourth Proportional to 74,532,145.28, 102,894,732.96 and 52,273,487.84

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Solution

The fourth proportional to 74,532,145.28, 102,894,732.96 and 52,273,487.84 is: 72,165,728.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,532,145.28 : 102,894,732.96 = 52,273,487.84 : x
  2. Step 2: Convert to fraction form
    74,532,145.28/102,894,732.96 = 52,273,487.84/x
  3. Step 3: Cross multiply
    74,532,145.28x = 102,894,732.96 × 52,273,487.84
  4. Step 4: Simplify right side
    74,532,145.28x = 5,378,666,572,184,607
  5. Step 5: Solve for x
    x = 5,378,666,572,184,607/74,532,145.28
  6. Step 6: Final answer
    x = 72,165,728.65

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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.