Home / 138,647,382.24-191,344,159.92-76,773,477.60

Finding the Fourth Proportional to 138,647,382.24, 191,344,159.92 and 76,773,477.60

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Solution

The fourth proportional to 138,647,382.24, 191,344,159.92 and 76,773,477.60 is: 105,953,364.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,647,382.24 : 191,344,159.92 = 76,773,477.60 : x
  2. Step 2: Convert to fraction form
    138,647,382.24/191,344,159.92 = 76,773,477.60/x
  3. Step 3: Cross multiply
    138,647,382.24x = 191,344,159.92 × 76,773,477.60
  4. Step 4: Simplify right side
    138,647,382.24x = 14,690,156,575,508,936
  5. Step 5: Solve for x
    x = 14,690,156,575,508,936/138,647,382.24
  6. Step 6: Final answer
    x = 105,953,364.13

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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.