Home / 100,752,000.80-151,128,001.20-94,780,032.80

Finding the Fourth Proportional to 100,752,000.80, 151,128,001.20 and 94,780,032.80

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Solution

The fourth proportional to 100,752,000.80, 151,128,001.20 and 94,780,032.80 is: 142,170,049.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,752,000.80 : 151,128,001.20 = 94,780,032.80 : x
  2. Step 2: Convert to fraction form
    100,752,000.80/151,128,001.20 = 94,780,032.80/x
  3. Step 3: Cross multiply
    100,752,000.80x = 151,128,001.20 × 94,780,032.80
  4. Step 4: Simplify right side
    100,752,000.80x = 14,323,916,910,734,438
  5. Step 5: Solve for x
    x = 14,323,916,910,734,438/100,752,000.80
  6. Step 6: Final answer
    x = 142,170,049.20

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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.