Home / 83,565,763.95-115,240,611.14-53,765,997.20

Finding the Fourth Proportional to 83,565,763.95, 115,240,611.14 and 53,765,997.20

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Solution

The fourth proportional to 83,565,763.95, 115,240,611.14 and 53,765,997.20 is: 74,145,512.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,565,763.95 : 115,240,611.14 = 53,765,997.20 : x
  2. Step 2: Convert to fraction form
    83,565,763.95/115,240,611.14 = 53,765,997.20/x
  3. Step 3: Cross multiply
    83,565,763.95x = 115,240,611.14 × 53,765,997.20
  4. Step 4: Simplify right side
    83,565,763.95x = 6,196,026,375,034,496
  5. Step 5: Solve for x
    x = 6,196,026,375,034,496/83,565,763.95
  6. Step 6: Final answer
    x = 74,145,512.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.