Home / 169,451,615.31-254,061,384.81-86,292,395.12

Finding the Fourth Proportional to 169,451,615.31, 254,061,384.81 and 86,292,395.12

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Solution

The fourth proportional to 169,451,615.31, 254,061,384.81 and 86,292,395.12 is: 129,379,500.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,451,615.31 : 254,061,384.81 = 86,292,395.12 : x
  2. Step 2: Convert to fraction form
    169,451,615.31/254,061,384.81 = 86,292,395.12/x
  3. Step 3: Cross multiply
    169,451,615.31x = 254,061,384.81 × 86,292,395.12
  4. Step 4: Simplify right side
    169,451,615.31x = 21,923,565,401,488,580
  5. Step 5: Solve for x
    x = 21,923,565,401,488,580/169,451,615.31
  6. Step 6: Final answer
    x = 129,379,500.82

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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.