Home / 132,886,719.60-199,330,079.40-86,970,217.20

Finding the Fourth Proportional to 132,886,719.60, 199,330,079.40 and 86,970,217.20

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Solution

The fourth proportional to 132,886,719.60, 199,330,079.40 and 86,970,217.20 is: 130,455,325.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,886,719.60 : 199,330,079.40 = 86,970,217.20 : x
  2. Step 2: Convert to fraction form
    132,886,719.60/199,330,079.40 = 86,970,217.20/x
  3. Step 3: Cross multiply
    132,886,719.60x = 199,330,079.40 × 86,970,217.20
  4. Step 4: Simplify right side
    132,886,719.60x = 17,335,780,299,911,246
  5. Step 5: Solve for x
    x = 17,335,780,299,911,246/132,886,719.60
  6. Step 6: Final answer
    x = 130,455,325.80

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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.