Home / 91,700,520.63-126,728,285.30-75,154,547.96

Finding the Fourth Proportional to 91,700,520.63, 126,728,285.30 and 75,154,547.96

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Solution

The fourth proportional to 91,700,520.63, 126,728,285.30 and 75,154,547.96 is: 103,862,082.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,700,520.63 : 126,728,285.30 = 75,154,547.96 : x
  2. Step 2: Convert to fraction form
    91,700,520.63/126,728,285.30 = 75,154,547.96/x
  3. Step 3: Cross multiply
    91,700,520.63x = 126,728,285.30 × 75,154,547.96
  4. Step 4: Simplify right side
    91,700,520.63x = 9,524,206,995,215,058
  5. Step 5: Solve for x
    x = 9,524,206,995,215,058/91,700,520.63
  6. Step 6: Final answer
    x = 103,862,082.03

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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.