Home / 91,115,471,743.72-136,623,384,023.48-72,349,307,532.50

Finding the Fourth Proportional to 91,115,471,743.72, 136,623,384,023.48 and 72,349,307,532.50

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Solution

The fourth proportional to 91,115,471,743.72, 136,623,384,023.48 and 72,349,307,532.50 is: 108,484,399,385.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,115,471,743.72 : 136,623,384,023.48 = 72,349,307,532.50 : x
  2. Step 2: Convert to fraction form
    91,115,471,743.72/136,623,384,023.48 = 72,349,307,532.50/x
  3. Step 3: Cross multiply
    91,115,471,743.72x = 136,623,384,023.48 × 72,349,307,532.50
  4. Step 4: Simplify right side
    91,115,471,743.72x = 9,884,607,226,845,601,988,608
  5. Step 5: Solve for x
    x = 9,884,607,226,845,601,988,608/91,115,471,743.72
  6. Step 6: Final answer
    x = 108,484,399,385.52

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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.