Home / 132,471,567.60-198,707,351.40-126,519,428.40

Finding the Fourth Proportional to 132,471,567.60, 198,707,351.40 and 126,519,428.40

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Solution

The fourth proportional to 132,471,567.60, 198,707,351.40 and 126,519,428.40 is: 189,779,142.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,471,567.60 : 198,707,351.40 = 126,519,428.40 : x
  2. Step 2: Convert to fraction form
    132,471,567.60/198,707,351.40 = 126,519,428.40/x
  3. Step 3: Cross multiply
    132,471,567.60x = 198,707,351.40 × 126,519,428.40
  4. Step 4: Simplify right side
    132,471,567.60x = 25,140,340,518,005,940
  5. Step 5: Solve for x
    x = 25,140,340,518,005,940/132,471,567.60
  6. Step 6: Final answer
    x = 189,779,142.60

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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.