Home / 124,502,405.70-186,781,602.15-38,244,792.90

Finding the Fourth Proportional to 124,502,405.70, 186,781,602.15 and 38,244,792.90

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Solution

The fourth proportional to 124,502,405.70, 186,781,602.15 and 38,244,792.90 is: 57,375,788.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,502,405.70 : 186,781,602.15 = 38,244,792.90 : x
  2. Step 2: Convert to fraction form
    124,502,405.70/186,781,602.15 = 38,244,792.90/x
  3. Step 3: Cross multiply
    124,502,405.70x = 186,781,602.15 × 38,244,792.90
  4. Step 4: Simplify right side
    124,502,405.70x = 7,143,423,691,756,945
  5. Step 5: Solve for x
    x = 7,143,423,691,756,945/124,502,405.70
  6. Step 6: Final answer
    x = 57,375,788.46

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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.