Home / 113,783,961-157,022,279.52-61,572,990.96

Finding the Fourth Proportional to 113,783,961, 157,022,279.52 and 61,572,990.96

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Solution

The fourth proportional to 113,783,961, 157,022,279.52 and 61,572,990.96 is: 84,970,951.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,783,961 : 157,022,279.52 = 61,572,990.96 : x
  2. Step 2: Convert to fraction form
    113,783,961/157,022,279.52 = 61,572,990.96/x
  3. Step 3: Cross multiply
    113,783,961x = 157,022,279.52 × 61,572,990.96
  4. Step 4: Simplify right side
    113,783,961x = 9,668,331,397,403,554
  5. Step 5: Solve for x
    x = 9,668,331,397,403,554/113,783,961
  6. Step 6: Final answer
    x = 84,970,951.20

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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.