Home / 295,121,778.40-442,950,356.40-149,656,535.20

Finding the Fourth Proportional to 295,121,778.40, 442,950,356.40 and 149,656,535.20

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Solution

The fourth proportional to 295,121,778.40, 442,950,356.40 and 149,656,535.20 is: 224,620,548.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,121,778.40 : 442,950,356.40 = 149,656,535.20 : x
  2. Step 2: Convert to fraction form
    295,121,778.40/442,950,356.40 = 149,656,535.20/x
  3. Step 3: Cross multiply
    295,121,778.40x = 442,950,356.40 × 149,656,535.20
  4. Step 4: Simplify right side
    295,121,778.40x = 66,290,415,604,429,136
  5. Step 5: Solve for x
    x = 66,290,415,604,429,136/295,121,778.40
  6. Step 6: Final answer
    x = 224,620,548.05

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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.