Home / 118,016,002.80-177,024,004.20-66,997,666.80

Finding the Fourth Proportional to 118,016,002.80, 177,024,004.20 and 66,997,666.80

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Solution

The fourth proportional to 118,016,002.80, 177,024,004.20 and 66,997,666.80 is: 100,496,500.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,016,002.80 : 177,024,004.20 = 66,997,666.80 : x
  2. Step 2: Convert to fraction form
    118,016,002.80/177,024,004.20 = 66,997,666.80/x
  3. Step 3: Cross multiply
    118,016,002.80x = 177,024,004.20 × 66,997,666.80
  4. Step 4: Simplify right side
    118,016,002.80x = 11,860,195,248,993,400
  5. Step 5: Solve for x
    x = 11,860,195,248,993,400/118,016,002.80
  6. Step 6: Final answer
    x = 100,496,500.20

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1.5x scale

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.