Home / 132,886,543.60-199,329,815.40-86,970,041.20

Finding the Fourth Proportional to 132,886,543.60, 199,329,815.40 and 86,970,041.20

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Solution

The fourth proportional to 132,886,543.60, 199,329,815.40 and 86,970,041.20 is: 130,455,061.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,886,543.60 : 199,329,815.40 = 86,970,041.20 : x
  2. Step 2: Convert to fraction form
    132,886,543.60/199,329,815.40 = 86,970,041.20/x
  3. Step 3: Cross multiply
    132,886,543.60x = 199,329,815.40 × 86,970,041.20
  4. Step 4: Simplify right side
    132,886,543.60x = 17,335,722,257,726,396
  5. Step 5: Solve for x
    x = 17,335,722,257,726,396/132,886,543.60
  6. Step 6: Final answer
    x = 130,455,061.80

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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.