Home / 90,862,074.16-125,387,959.30-55,577,287.30

Finding the Fourth Proportional to 90,862,074.16, 125,387,959.30 and 55,577,287.30

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Solution

The fourth proportional to 90,862,074.16, 125,387,959.30 and 55,577,287.30 is: 76,695,614.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,862,074.16 : 125,387,959.30 = 55,577,287.30 : x
  2. Step 2: Convert to fraction form
    90,862,074.16/125,387,959.30 = 55,577,287.30/x
  3. Step 3: Cross multiply
    90,862,074.16x = 125,387,959.30 × 55,577,287.30
  4. Step 4: Simplify right side
    90,862,074.16x = 6,968,722,637,071,981
  5. Step 5: Solve for x
    x = 6,968,722,637,071,981/90,862,074.16
  6. Step 6: Final answer
    x = 76,695,614.77

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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.