Home / 77,493,002.27-116,239,663.31-72,757,862.96

Finding the Fourth Proportional to 77,493,002.27, 116,239,663.31 and 72,757,862.96

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Solution

The fourth proportional to 77,493,002.27, 116,239,663.31 and 72,757,862.96 is: 109,136,944.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,493,002.27 : 116,239,663.31 = 72,757,862.96 : x
  2. Step 2: Convert to fraction form
    77,493,002.27/116,239,663.31 = 72,757,862.96/x
  3. Step 3: Cross multiply
    77,493,002.27x = 116,239,663.31 × 72,757,862.96
  4. Step 4: Simplify right side
    77,493,002.27x = 8,457,349,492,680,533
  5. Step 5: Solve for x
    x = 8,457,349,492,680,533/77,493,002.27
  6. Step 6: Final answer
    x = 109,136,944.57

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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.