Home / 91,407,239.29-137,121,263.25-33,142,356.19

Finding the Fourth Proportional to 91,407,239.29, 137,121,263.25 and 33,142,356.19

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Solution

The fourth proportional to 91,407,239.29, 137,121,263.25 and 33,142,356.19 is: 49,717,306.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,407,239.29 : 137,121,263.25 = 33,142,356.19 : x
  2. Step 2: Convert to fraction form
    91,407,239.29/137,121,263.25 = 33,142,356.19/x
  3. Step 3: Cross multiply
    91,407,239.29x = 137,121,263.25 × 33,142,356.19
  4. Step 4: Simplify right side
    91,407,239.29x = 4,544,521,748,158,477
  5. Step 5: Solve for x
    x = 4,544,521,748,158,477/91,407,239.29
  6. Step 6: Final answer
    x = 49,717,306.68

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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.