Home / 124,502,315.70-186,781,467.15-38,244,702.90

Finding the Fourth Proportional to 124,502,315.70, 186,781,467.15 and 38,244,702.90

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Solution

The fourth proportional to 124,502,315.70, 186,781,467.15 and 38,244,702.90 is: 57,375,653.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,502,315.70 : 186,781,467.15 = 38,244,702.90 : x
  2. Step 2: Convert to fraction form
    124,502,315.70/186,781,467.15 = 38,244,702.90/x
  3. Step 3: Cross multiply
    124,502,315.70x = 186,781,467.15 × 38,244,702.90
  4. Step 4: Simplify right side
    124,502,315.70x = 7,143,401,718,377,860
  5. Step 5: Solve for x
    x = 7,143,401,718,377,860/124,502,315.70
  6. Step 6: Final answer
    x = 57,375,653.44

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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.