Home / 90,771,995.52-125,255,694.08-51,078,833.28

Finding the Fourth Proportional to 90,771,995.52, 125,255,694.08 and 51,078,833.28

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Solution

The fourth proportional to 90,771,995.52, 125,255,694.08 and 51,078,833.28 is: 70,483,354.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,771,995.52 : 125,255,694.08 = 51,078,833.28 : x
  2. Step 2: Convert to fraction form
    90,771,995.52/125,255,694.08 = 51,078,833.28/x
  3. Step 3: Cross multiply
    90,771,995.52x = 125,255,694.08 × 51,078,833.28
  4. Step 4: Simplify right side
    90,771,995.52x = 6,397,914,715,283,003
  5. Step 5: Solve for x
    x = 6,397,914,715,283,003/90,771,995.52
  6. Step 6: Final answer
    x = 70,483,354.24

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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.