Home / 87,317,999.40-122,424,358.20-87,317,999.40

Finding the Fourth Proportional to 87,317,999.40, 122,424,358.20 and 87,317,999.40

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Solution

The fourth proportional to 87,317,999.40, 122,424,358.20 and 87,317,999.40 is: 122,424,358.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,317,999.40 : 122,424,358.20 = 87,317,999.40 : x
  2. Step 2: Convert to fraction form
    87,317,999.40/122,424,358.20 = 87,317,999.40/x
  3. Step 3: Cross multiply
    87,317,999.40x = 122,424,358.20 × 87,317,999.40
  4. Step 4: Simplify right side
    87,317,999.40x = 10,689,850,035,852,986
  5. Step 5: Solve for x
    x = 10,689,850,035,852,986/87,317,999.40
  6. Step 6: Final answer
    x = 122,424,358.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.