Home / 147,289,002.54-220,869,468.81-42,221,205.78

Finding the Fourth Proportional to 147,289,002.54, 220,869,468.81 and 42,221,205.78

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Solution

The fourth proportional to 147,289,002.54, 220,869,468.81 and 42,221,205.78 is: 63,313,452.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,289,002.54 : 220,869,468.81 = 42,221,205.78 : x
  2. Step 2: Convert to fraction form
    147,289,002.54/220,869,468.81 = 42,221,205.78/x
  3. Step 3: Cross multiply
    147,289,002.54x = 220,869,468.81 × 42,221,205.78
  4. Step 4: Simplify right side
    147,289,002.54x = 9,325,375,293,146,302
  5. Step 5: Solve for x
    x = 9,325,375,293,146,302/147,289,002.54
  6. Step 6: Final answer
    x = 63,313,452.68

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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.