Home / 157,469,072.10-236,203,608.15-42,465,239.70

Finding the Fourth Proportional to 157,469,072.10, 236,203,608.15 and 42,465,239.70

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Solution

The fourth proportional to 157,469,072.10, 236,203,608.15 and 42,465,239.70 is: 63,697,859.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,469,072.10 : 236,203,608.15 = 42,465,239.70 : x
  2. Step 2: Convert to fraction form
    157,469,072.10/236,203,608.15 = 42,465,239.70/x
  3. Step 3: Cross multiply
    157,469,072.10x = 236,203,608.15 × 42,465,239.70
  4. Step 4: Simplify right side
    157,469,072.10x = 10,030,442,838,094,624
  5. Step 5: Solve for x
    x = 10,030,442,838,094,624/157,469,072.10
  6. Step 6: Final answer
    x = 63,697,859.55

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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.