Home / 91,547,473.52-126,291,863.40-66,714,415.76

Finding the Fourth Proportional to 91,547,473.52, 126,291,863.40 and 66,714,415.76

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Solution

The fourth proportional to 91,547,473.52, 126,291,863.40 and 66,714,415.76 is: 92,034,084.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,547,473.52 : 126,291,863.40 = 66,714,415.76 : x
  2. Step 2: Convert to fraction form
    91,547,473.52/126,291,863.40 = 66,714,415.76/x
  3. Step 3: Cross multiply
    91,547,473.52x = 126,291,863.40 × 66,714,415.76
  4. Step 4: Simplify right side
    91,547,473.52x = 8,425,487,881,972,727
  5. Step 5: Solve for x
    x = 8,425,487,881,972,727/91,547,473.52
  6. Step 6: Final answer
    x = 92,034,084.15

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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.