Home / 85,248,002.90-127,872,004.35-51,207,785.30

Finding the Fourth Proportional to 85,248,002.90, 127,872,004.35 and 51,207,785.30

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Solution

The fourth proportional to 85,248,002.90, 127,872,004.35 and 51,207,785.30 is: 76,811,677.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,248,002.90 : 127,872,004.35 = 51,207,785.30 : x
  2. Step 2: Convert to fraction form
    85,248,002.90/127,872,004.35 = 51,207,785.30/x
  3. Step 3: Cross multiply
    85,248,002.90x = 127,872,004.35 × 51,207,785.30
  4. Step 4: Simplify right side
    85,248,002.90x = 6,548,042,144,635,465
  5. Step 5: Solve for x
    x = 6,548,042,144,635,465/85,248,002.90
  6. Step 6: Final answer
    x = 76,811,677.95

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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.