Home / 178,020,023.20-267,030,034.80-109,145,269.60

Finding the Fourth Proportional to 178,020,023.20, 267,030,034.80 and 109,145,269.60

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Solution

The fourth proportional to 178,020,023.20, 267,030,034.80 and 109,145,269.60 is: 163,717,904.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,020,023.20 : 267,030,034.80 = 109,145,269.60 : x
  2. Step 2: Convert to fraction form
    178,020,023.20/267,030,034.80 = 109,145,269.60/x
  3. Step 3: Cross multiply
    178,020,023.20x = 267,030,034.80 × 109,145,269.60
  4. Step 4: Simplify right side
    178,020,023.20x = 29,145,065,139,543,380
  5. Step 5: Solve for x
    x = 29,145,065,139,543,380/178,020,023.20
  6. Step 6: Final answer
    x = 163,717,904.40

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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.