Home / 91,036,177.40-136,554,266.10-82,745,697.80

Finding the Fourth Proportional to 91,036,177.40, 136,554,266.10 and 82,745,697.80

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Solution

The fourth proportional to 91,036,177.40, 136,554,266.10 and 82,745,697.80 is: 124,118,546.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,036,177.40 : 136,554,266.10 = 82,745,697.80 : x
  2. Step 2: Convert to fraction form
    91,036,177.40/136,554,266.10 = 82,745,697.80/x
  3. Step 3: Cross multiply
    91,036,177.40x = 136,554,266.10 × 82,745,697.80
  4. Step 4: Simplify right side
    91,036,177.40x = 11,299,278,036,011,384
  5. Step 5: Solve for x
    x = 11,299,278,036,011,384/91,036,177.40
  6. Step 6: Final answer
    x = 124,118,546.70

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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.