Home / 127,502,312.64-175,952,369.52-72,498,164.28

Finding the Fourth Proportional to 127,502,312.64, 175,952,369.52 and 72,498,164.28

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Solution

The fourth proportional to 127,502,312.64, 175,952,369.52 and 72,498,164.28 is: 100,046,999.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,502,312.64 : 175,952,369.52 = 72,498,164.28 : x
  2. Step 2: Convert to fraction form
    127,502,312.64/175,952,369.52 = 72,498,164.28/x
  3. Step 3: Cross multiply
    127,502,312.64x = 175,952,369.52 × 72,498,164.28
  4. Step 4: Simplify right side
    127,502,312.64x = 12,756,223,790,916,226
  5. Step 5: Solve for x
    x = 12,756,223,790,916,226/127,502,312.64
  6. Step 6: Final answer
    x = 100,046,999.36

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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.