Home / 89,626,326.40-134,439,489.60-88,776,020.80

Finding the Fourth Proportional to 89,626,326.40, 134,439,489.60 and 88,776,020.80

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Solution

The fourth proportional to 89,626,326.40, 134,439,489.60 and 88,776,020.80 is: 133,164,031.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,626,326.40 : 134,439,489.60 = 88,776,020.80 : x
  2. Step 2: Convert to fraction form
    89,626,326.40/134,439,489.60 = 88,776,020.80/x
  3. Step 3: Cross multiply
    89,626,326.40x = 134,439,489.60 × 88,776,020.80
  4. Step 4: Simplify right side
    89,626,326.40x = 11,935,002,925,070,982
  5. Step 5: Solve for x
    x = 11,935,002,925,070,982/89,626,326.40
  6. Step 6: Final answer
    x = 133,164,031.20

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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.