Home / 129,262,079.93-192,754,689.48-128,096,231.24

Finding the Fourth Proportional to 129,262,079.93, 192,754,689.48 and 128,096,231.24

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Solution

The fourth proportional to 129,262,079.93, 192,754,689.48 and 128,096,231.24 is: 191,016,184.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,262,079.93 : 192,754,689.48 = 128,096,231.24 : x
  2. Step 2: Convert to fraction form
    129,262,079.93/192,754,689.48 = 128,096,231.24/x
  3. Step 3: Cross multiply
    129,262,079.93x = 192,754,689.48 × 128,096,231.24
  4. Step 4: Simplify right side
    129,262,079.93x = 24,691,149,275,260,700
  5. Step 5: Solve for x
    x = 24,691,149,275,260,700/129,262,079.93
  6. Step 6: Final answer
    x = 191,016,184.25

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.