Home / 178,046,947.20-267,070,420.80-132,130,444.80

Finding the Fourth Proportional to 178,046,947.20, 267,070,420.80 and 132,130,444.80

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Solution

The fourth proportional to 178,046,947.20, 267,070,420.80 and 132,130,444.80 is: 198,195,667.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,046,947.20 : 267,070,420.80 = 132,130,444.80 : x
  2. Step 2: Convert to fraction form
    178,046,947.20/267,070,420.80 = 132,130,444.80/x
  3. Step 3: Cross multiply
    178,046,947.20x = 267,070,420.80 × 132,130,444.80
  4. Step 4: Simplify right side
    178,046,947.20x = 35,288,133,493,227,172
  5. Step 5: Solve for x
    x = 35,288,133,493,227,172/178,046,947.20
  6. Step 6: Final answer
    x = 198,195,667.20

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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.