Home / 91,115,471,770.47-136,623,384,063.63-72,349,307,559.36

Finding the Fourth Proportional to 91,115,471,770.47, 136,623,384,063.63 and 72,349,307,559.36

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Solution

The fourth proportional to 91,115,471,770.47, 136,623,384,063.63 and 72,349,307,559.36 is: 108,484,399,425.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,115,471,770.47 : 136,623,384,063.63 = 72,349,307,559.36 : x
  2. Step 2: Convert to fraction form
    91,115,471,770.47/136,623,384,063.63 = 72,349,307,559.36/x
  3. Step 3: Cross multiply
    91,115,471,770.47x = 136,623,384,063.63 × 72,349,307,559.36
  4. Step 4: Simplify right side
    91,115,471,770.47x = 9,884,607,233,420,131,565,568
  5. Step 5: Solve for x
    x = 9,884,607,233,420,131,565,568/91,115,471,770.47
  6. Step 6: Final answer
    x = 108,484,399,425.83

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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.