Home / 258,099,270.60-387,148,905.90-96,520,211.40

Finding the Fourth Proportional to 258,099,270.60, 387,148,905.90 and 96,520,211.40

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Solution

The fourth proportional to 258,099,270.60, 387,148,905.90 and 96,520,211.40 is: 144,780,317.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,099,270.60 : 387,148,905.90 = 96,520,211.40 : x
  2. Step 2: Convert to fraction form
    258,099,270.60/387,148,905.90 = 96,520,211.40/x
  3. Step 3: Cross multiply
    258,099,270.60x = 387,148,905.90 × 96,520,211.40
  4. Step 4: Simplify right side
    258,099,270.60x = 37,367,694,240,746,704
  5. Step 5: Solve for x
    x = 37,367,694,240,746,704/258,099,270.60
  6. Step 6: Final answer
    x = 144,780,317.10

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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.