Home / 57,088,765.17-78,783,084.68-30,983,508.45

Finding the Fourth Proportional to 57,088,765.17, 78,783,084.68 and 30,983,508.45

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Solution

The fourth proportional to 57,088,765.17, 78,783,084.68 and 30,983,508.45 is: 42,757,561.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,088,765.17 : 78,783,084.68 = 30,983,508.45 : x
  2. Step 2: Convert to fraction form
    57,088,765.17/78,783,084.68 = 30,983,508.45/x
  3. Step 3: Cross multiply
    57,088,765.17x = 78,783,084.68 × 30,983,508.45
  4. Step 4: Simplify right side
    57,088,765.17x = 2,440,976,369,744,928
  5. Step 5: Solve for x
    x = 2,440,976,369,744,928/57,088,765.17
  6. Step 6: Final answer
    x = 42,757,561.19

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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.