Home / 90,760,689.60-136,141,034.40-52,496,937.60

Finding the Fourth Proportional to 90,760,689.60, 136,141,034.40 and 52,496,937.60

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Solution

The fourth proportional to 90,760,689.60, 136,141,034.40 and 52,496,937.60 is: 78,745,406.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,760,689.60 : 136,141,034.40 = 52,496,937.60 : x
  2. Step 2: Convert to fraction form
    90,760,689.60/136,141,034.40 = 52,496,937.60/x
  3. Step 3: Cross multiply
    90,760,689.60x = 136,141,034.40 × 52,496,937.60
  4. Step 4: Simplify right side
    90,760,689.60x = 7,146,987,387,696,254
  5. Step 5: Solve for x
    x = 7,146,987,387,696,254/90,760,689.60
  6. Step 6: Final answer
    x = 78,745,406.40

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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.