Home / 156,915,117.85-235,372,676.78-49,209,569.05

Finding the Fourth Proportional to 156,915,117.85, 235,372,676.78 and 49,209,569.05

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Solution

The fourth proportional to 156,915,117.85, 235,372,676.78 and 49,209,569.05 is: 73,814,353.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,915,117.85 : 235,372,676.78 = 49,209,569.05 : x
  2. Step 2: Convert to fraction form
    156,915,117.85/235,372,676.78 = 49,209,569.05/x
  3. Step 3: Cross multiply
    156,915,117.85x = 235,372,676.78 × 49,209,569.05
  4. Step 4: Simplify right side
    156,915,117.85x = 11,582,587,990,488,742
  5. Step 5: Solve for x
    x = 11,582,587,990,488,742/156,915,117.85
  6. Step 6: Final answer
    x = 73,814,353.58

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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.