Home / 129,802,303.18-194,729,436.33-47,921,679.28

Finding the Fourth Proportional to 129,802,303.18, 194,729,436.33 and 47,921,679.28

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Solution

The fourth proportional to 129,802,303.18, 194,729,436.33 and 47,921,679.28 is: 71,892,111.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,802,303.18 : 194,729,436.33 = 47,921,679.28 : x
  2. Step 2: Convert to fraction form
    129,802,303.18/194,729,436.33 = 47,921,679.28/x
  3. Step 3: Cross multiply
    129,802,303.18x = 194,729,436.33 × 47,921,679.28
  4. Step 4: Simplify right side
    129,802,303.18x = 9,331,761,594,181,442
  5. Step 5: Solve for x
    x = 9,331,761,594,181,442/129,802,303.18
  6. Step 6: Final answer
    x = 71,892,111.05

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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.