Home / 339,152,011.70-508,765,342.35-123,787,915.70

Finding the Fourth Proportional to 339,152,011.70, 508,765,342.35 and 123,787,915.70

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Solution

The fourth proportional to 339,152,011.70, 508,765,342.35 and 123,787,915.70 is: 185,695,496.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,152,011.70 : 508,765,342.35 = 123,787,915.70 : x
  2. Step 2: Convert to fraction form
    339,152,011.70/508,765,342.35 = 123,787,915.70/x
  3. Step 3: Cross multiply
    339,152,011.70x = 508,765,342.35 × 123,787,915.70
  4. Step 4: Simplify right side
    339,152,011.70x = 62,979,001,309,903,448
  5. Step 5: Solve for x
    x = 62,979,001,309,903,448/339,152,011.70
  6. Step 6: Final answer
    x = 185,695,496.82

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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.