Home / 113,885,151.69-157,160,687.88-61,672,976.13

Finding the Fourth Proportional to 113,885,151.69, 157,160,687.88 and 61,672,976.13

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Solution

The fourth proportional to 113,885,151.69, 157,160,687.88 and 61,672,976.13 is: 85,108,262.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,885,151.69 : 157,160,687.88 = 61,672,976.13 : x
  2. Step 2: Convert to fraction form
    113,885,151.69/157,160,687.88 = 61,672,976.13/x
  3. Step 3: Cross multiply
    113,885,151.69x = 157,160,687.88 × 61,672,976.13
  4. Step 4: Simplify right side
    113,885,151.69x = 9,692,567,352,197,620
  5. Step 5: Solve for x
    x = 9,692,567,352,197,620/113,885,151.69
  6. Step 6: Final answer
    x = 85,108,262.21

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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.