Home / 127,502,502.14-175,952,640.75-72,498,363.50

Finding the Fourth Proportional to 127,502,502.14, 175,952,640.75 and 72,498,363.50

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Solution

The fourth proportional to 127,502,502.14, 175,952,640.75 and 72,498,363.50 is: 100,047,279.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,502,502.14 : 175,952,640.75 = 72,498,363.50 : x
  2. Step 2: Convert to fraction form
    127,502,502.14/175,952,640.75 = 72,498,363.50/x
  3. Step 3: Cross multiply
    127,502,502.14x = 175,952,640.75 × 72,498,363.50
  4. Step 4: Simplify right side
    127,502,502.14x = 12,756,278,507,878,412
  5. Step 5: Solve for x
    x = 12,756,278,507,878,412/127,502,502.14
  6. Step 6: Final answer
    x = 100,047,279.81

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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.