Home / 129,836,002.14-179,173,738.23-71,102,325.18

Finding the Fourth Proportional to 129,836,002.14, 179,173,738.23 and 71,102,325.18

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Solution

The fourth proportional to 129,836,002.14, 179,173,738.23 and 71,102,325.18 is: 98,121,239.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,836,002.14 : 179,173,738.23 = 71,102,325.18 : x
  2. Step 2: Convert to fraction form
    129,836,002.14/179,173,738.23 = 71,102,325.18/x
  3. Step 3: Cross multiply
    129,836,002.14x = 179,173,738.23 × 71,102,325.18
  4. Step 4: Simplify right side
    129,836,002.14x = 12,739,669,399,345,658
  5. Step 5: Solve for x
    x = 12,739,669,399,345,658/129,836,002.14
  6. Step 6: Final answer
    x = 98,121,239.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.