Home / 282,178,472.68-423,406,375.76-126,842,032.76

Finding the Fourth Proportional to 282,178,472.68, 423,406,375.76 and 126,842,032.76

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Solution

The fourth proportional to 282,178,472.68, 423,406,375.76 and 126,842,032.76 is: 190,325,381.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,178,472.68 : 423,406,375.76 = 126,842,032.76 : x
  2. Step 2: Convert to fraction form
    282,178,472.68/423,406,375.76 = 126,842,032.76/x
  3. Step 3: Cross multiply
    282,178,472.68x = 423,406,375.76 × 126,842,032.76
  4. Step 4: Simplify right side
    282,178,472.68x = 53,705,725,383,142,856
  5. Step 5: Solve for x
    x = 53,705,725,383,142,856/282,178,472.68
  6. Step 6: Final answer
    x = 190,325,381.21

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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.