Home / 132,876,278.40-199,342,411.20-56,159,817.60

Finding the Fourth Proportional to 132,876,278.40, 199,342,411.20 and 56,159,817.60

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Solution

The fourth proportional to 132,876,278.40, 199,342,411.20 and 56,159,817.60 is: 84,251,557.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,876,278.40 : 199,342,411.20 = 56,159,817.60 : x
  2. Step 2: Convert to fraction form
    132,876,278.40/199,342,411.20 = 56,159,817.60/x
  3. Step 3: Cross multiply
    132,876,278.40x = 199,342,411.20 × 56,159,817.60
  4. Step 4: Simplify right side
    132,876,278.40x = 11,195,033,452,936,196
  5. Step 5: Solve for x
    x = 11,195,033,452,936,196/132,876,278.40
  6. Step 6: Final answer
    x = 84,251,557.82

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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.