Home / 91,506,344.40-126,232,061.09-58,431,818.52

Finding the Fourth Proportional to 91,506,344.40, 126,232,061.09 and 58,431,818.52

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Solution

The fourth proportional to 91,506,344.40, 126,232,061.09 and 58,431,818.52 is: 80,606,092.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,506,344.40 : 126,232,061.09 = 58,431,818.52 : x
  2. Step 2: Convert to fraction form
    91,506,344.40/126,232,061.09 = 58,431,818.52/x
  3. Step 3: Cross multiply
    91,506,344.40x = 126,232,061.09 × 58,431,818.52
  4. Step 4: Simplify right side
    91,506,344.40x = 7,375,968,884,724,274
  5. Step 5: Solve for x
    x = 7,375,968,884,724,274/91,506,344.40
  6. Step 6: Final answer
    x = 80,606,092.76

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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.