Home / 57,847,145.79-86,725,063.29-28,680,874.98

Finding the Fourth Proportional to 57,847,145.79, 86,725,063.29 and 28,680,874.98

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Solution

The fourth proportional to 57,847,145.79, 86,725,063.29 and 28,680,874.98 is: 42,998,676.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,847,145.79 : 86,725,063.29 = 28,680,874.98 : x
  2. Step 2: Convert to fraction form
    57,847,145.79/86,725,063.29 = 28,680,874.98/x
  3. Step 3: Cross multiply
    57,847,145.79x = 86,725,063.29 × 28,680,874.98
  4. Step 4: Simplify right side
    57,847,145.79x = 2,487,350,697,853,077.50
  5. Step 5: Solve for x
    x = 2,487,350,697,853,077.50/57,847,145.79
  6. Step 6: Final answer
    x = 42,998,676.32

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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.