Home / 91,404,727.90-126,138,510.80-52,247,345.42

Finding the Fourth Proportional to 91,404,727.90, 126,138,510.80 and 52,247,345.42

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Solution

The fourth proportional to 91,404,727.90, 126,138,510.80 and 52,247,345.42 is: 72,101,328.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,404,727.90 : 126,138,510.80 = 52,247,345.42 : x
  2. Step 2: Convert to fraction form
    91,404,727.90/126,138,510.80 = 52,247,345.42/x
  3. Step 3: Cross multiply
    91,404,727.90x = 126,138,510.80 × 52,247,345.42
  4. Step 4: Simplify right side
    91,404,727.90x = 6,590,402,344,532,001
  5. Step 5: Solve for x
    x = 6,590,402,344,532,001/91,404,727.90
  6. Step 6: Final answer
    x = 72,101,328.85

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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.