Home / 258,060,834.40-387,091,251.60-194,359,842.40

Finding the Fourth Proportional to 258,060,834.40, 387,091,251.60 and 194,359,842.40

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Solution

The fourth proportional to 258,060,834.40, 387,091,251.60 and 194,359,842.40 is: 291,539,763.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,060,834.40 : 387,091,251.60 = 194,359,842.40 : x
  2. Step 2: Convert to fraction form
    258,060,834.40/387,091,251.60 = 194,359,842.40/x
  3. Step 3: Cross multiply
    258,060,834.40x = 387,091,251.60 × 194,359,842.40
  4. Step 4: Simplify right side
    258,060,834.40x = 75,234,994,655,394,752
  5. Step 5: Solve for x
    x = 75,234,994,655,394,752/258,060,834.40
  6. Step 6: Final answer
    x = 291,539,763.60

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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.