Home / 96,976,451.02-133,903,754.53-78,078,001.38

Finding the Fourth Proportional to 96,976,451.02, 133,903,754.53 and 78,078,001.38

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Solution

The fourth proportional to 96,976,451.02, 133,903,754.53 and 78,078,001.38 is: 107,809,034.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,976,451.02 : 133,903,754.53 = 78,078,001.38 : x
  2. Step 2: Convert to fraction form
    96,976,451.02/133,903,754.53 = 78,078,001.38/x
  3. Step 3: Cross multiply
    96,976,451.02x = 133,903,754.53 × 78,078,001.38
  4. Step 4: Simplify right side
    96,976,451.02x = 10,454,937,530,924,890
  5. Step 5: Solve for x
    x = 10,454,937,530,924,890/96,976,451.02
  6. Step 6: Final answer
    x = 107,809,034.27

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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.