Home / 141,031,246.10-211,546,869.15-80,453,095.70

Finding the Fourth Proportional to 141,031,246.10, 211,546,869.15 and 80,453,095.70

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Solution

The fourth proportional to 141,031,246.10, 211,546,869.15 and 80,453,095.70 is: 120,679,643.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,031,246.10 : 211,546,869.15 = 80,453,095.70 : x
  2. Step 2: Convert to fraction form
    141,031,246.10/211,546,869.15 = 80,453,095.70/x
  3. Step 3: Cross multiply
    141,031,246.10x = 211,546,869.15 × 80,453,095.70
  4. Step 4: Simplify right side
    141,031,246.10x = 17,019,600,508,760,328
  5. Step 5: Solve for x
    x = 17,019,600,508,760,328/141,031,246.10
  6. Step 6: Final answer
    x = 120,679,643.55

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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.