Home / 188,739,669.28-260,541,017.04-126,895,856.80

Finding the Fourth Proportional to 188,739,669.28, 260,541,017.04 and 126,895,856.80

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Solution

The fourth proportional to 188,739,669.28, 260,541,017.04 and 126,895,856.80 is: 175,170,252.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,739,669.28 : 260,541,017.04 = 126,895,856.80 : x
  2. Step 2: Convert to fraction form
    188,739,669.28/260,541,017.04 = 126,895,856.80/x
  3. Step 3: Cross multiply
    188,739,669.28x = 260,541,017.04 × 126,895,856.80
  4. Step 4: Simplify right side
    188,739,669.28x = 33,061,575,588,834,200
  5. Step 5: Solve for x
    x = 33,061,575,588,834,200/188,739,669.28
  6. Step 6: Final answer
    x = 175,170,252.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.