Home / 131,264,008.80-196,896,013.20-77,516,296.80

Finding the Fourth Proportional to 131,264,008.80, 196,896,013.20 and 77,516,296.80

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Solution

The fourth proportional to 131,264,008.80, 196,896,013.20 and 77,516,296.80 is: 116,274,445.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,264,008.80 : 196,896,013.20 = 77,516,296.80 : x
  2. Step 2: Convert to fraction form
    131,264,008.80/196,896,013.20 = 77,516,296.80/x
  3. Step 3: Cross multiply
    131,264,008.80x = 196,896,013.20 × 77,516,296.80
  4. Step 4: Simplify right side
    131,264,008.80x = 15,262,649,797,947,916
  5. Step 5: Solve for x
    x = 15,262,649,797,947,916/131,264,008.80
  6. Step 6: Final answer
    x = 116,274,445.20

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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.