Home / 129,761,761.04-194,643,146.53-31,393,309.80

Finding the Fourth Proportional to 129,761,761.04, 194,643,146.53 and 31,393,309.80

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Solution

The fourth proportional to 129,761,761.04, 194,643,146.53 and 31,393,309.80 is: 47,090,086.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,761,761.04 : 194,643,146.53 = 31,393,309.80 : x
  2. Step 2: Convert to fraction form
    129,761,761.04/194,643,146.53 = 31,393,309.80/x
  3. Step 3: Cross multiply
    129,761,761.04x = 194,643,146.53 × 31,393,309.80
  4. Step 4: Simplify right side
    129,761,761.04x = 6,110,492,599,463,085
  5. Step 5: Solve for x
    x = 6,110,492,599,463,085/129,761,761.04
  6. Step 6: Final answer
    x = 47,090,086.87

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.