Home / 127,982,987.33-176,621,535.20-72,230,355.23

Finding the Fourth Proportional to 127,982,987.33, 176,621,535.20 and 72,230,355.23

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Solution

The fourth proportional to 127,982,987.33, 176,621,535.20 and 72,230,355.23 is: 99,680,719.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,982,987.33 : 176,621,535.20 = 72,230,355.23 : x
  2. Step 2: Convert to fraction form
    127,982,987.33/176,621,535.20 = 72,230,355.23/x
  3. Step 3: Cross multiply
    127,982,987.33x = 176,621,535.20 × 72,230,355.23
  4. Step 4: Simplify right side
    127,982,987.33x = 12,757,436,228,402,798
  5. Step 5: Solve for x
    x = 12,757,436,228,402,798/127,982,987.33
  6. Step 6: Final answer
    x = 99,680,719.25

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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.