Home / 157,788,001.35-236,682,002.03-42,772,359.15

Finding the Fourth Proportional to 157,788,001.35, 236,682,002.03 and 42,772,359.15

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Solution

The fourth proportional to 157,788,001.35, 236,682,002.03 and 42,772,359.15 is: 64,158,538.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,788,001.35 : 236,682,002.03 = 42,772,359.15 : x
  2. Step 2: Convert to fraction form
    157,788,001.35/236,682,002.03 = 42,772,359.15/x
  3. Step 3: Cross multiply
    157,788,001.35x = 236,682,002.03 × 42,772,359.15
  4. Step 4: Simplify right side
    157,788,001.35x = 10,123,447,594,954,328
  5. Step 5: Solve for x
    x = 10,123,447,594,954,328/157,788,001.35
  6. Step 6: Final answer
    x = 64,158,538.73

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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.