Home / 87,134,493.60-130,701,740.40-84,895,005.60

Finding the Fourth Proportional to 87,134,493.60, 130,701,740.40 and 84,895,005.60

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Solution

The fourth proportional to 87,134,493.60, 130,701,740.40 and 84,895,005.60 is: 127,342,508.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,134,493.60 : 130,701,740.40 = 84,895,005.60 : x
  2. Step 2: Convert to fraction form
    87,134,493.60/130,701,740.40 = 84,895,005.60/x
  3. Step 3: Cross multiply
    87,134,493.60x = 130,701,740.40 × 84,895,005.60
  4. Step 4: Simplify right side
    87,134,493.60x = 11,095,924,983,187,746
  5. Step 5: Solve for x
    x = 11,095,924,983,187,746/87,134,493.60
  6. Step 6: Final answer
    x = 127,342,508.40

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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.