Home / 72,178,721.40-108,224,844.75-22,973,320.38

Finding the Fourth Proportional to 72,178,721.40, 108,224,844.75 and 22,973,320.38

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Solution

The fourth proportional to 72,178,721.40, 108,224,844.75 and 22,973,320.38 is: 34,446,218.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,178,721.40 : 108,224,844.75 = 22,973,320.38 : x
  2. Step 2: Convert to fraction form
    72,178,721.40/108,224,844.75 = 22,973,320.38/x
  3. Step 3: Cross multiply
    72,178,721.40x = 108,224,844.75 × 22,973,320.38
  4. Step 4: Simplify right side
    72,178,721.40x = 2,486,284,031,517,511
  5. Step 5: Solve for x
    x = 2,486,284,031,517,511/72,178,721.40
  6. Step 6: Final answer
    x = 34,446,218.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.