Home / 259,726,981.16-358,423,579.57-140,649,778.64

Finding the Fourth Proportional to 259,726,981.16, 358,423,579.57 and 140,649,778.64

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Solution

The fourth proportional to 259,726,981.16, 358,423,579.57 and 140,649,778.64 is: 194,096,881.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,726,981.16 : 358,423,579.57 = 140,649,778.64 : x
  2. Step 2: Convert to fraction form
    259,726,981.16/358,423,579.57 = 140,649,778.64/x
  3. Step 3: Cross multiply
    259,726,981.16x = 358,423,579.57 × 140,649,778.64
  4. Step 4: Simplify right side
    259,726,981.16x = 50,412,197,125,876,920
  5. Step 5: Solve for x
    x = 50,412,197,125,876,920/259,726,981.16
  6. Step 6: Final answer
    x = 194,096,881.66

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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.