Home / 258,701,834.14-357,009,981.10-147,192,672.62

Finding the Fourth Proportional to 258,701,834.14, 357,009,981.10 and 147,192,672.62

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Solution

The fourth proportional to 258,701,834.14, 357,009,981.10 and 147,192,672.62 is: 203,126,713.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,701,834.14 : 357,009,981.10 = 147,192,672.62 : x
  2. Step 2: Convert to fraction form
    258,701,834.14/357,009,981.10 = 147,192,672.62/x
  3. Step 3: Cross multiply
    258,701,834.14x = 357,009,981.10 × 147,192,672.62
  4. Step 4: Simplify right side
    258,701,834.14x = 52,549,253,270,649,232
  5. Step 5: Solve for x
    x = 52,549,253,270,649,232/258,701,834.14
  6. Step 6: Final answer
    x = 203,126,713.21

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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.