Home / 165,943,123.60-248,914,685.40-88,459,025.80

Finding the Fourth Proportional to 165,943,123.60, 248,914,685.40 and 88,459,025.80

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Solution

The fourth proportional to 165,943,123.60, 248,914,685.40 and 88,459,025.80 is: 132,688,538.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,943,123.60 : 248,914,685.40 = 88,459,025.80 : x
  2. Step 2: Convert to fraction form
    165,943,123.60/248,914,685.40 = 88,459,025.80/x
  3. Step 3: Cross multiply
    165,943,123.60x = 248,914,685.40 × 88,459,025.80
  4. Step 4: Simplify right side
    165,943,123.60x = 22,018,750,577,797,484
  5. Step 5: Solve for x
    x = 22,018,750,577,797,484/165,943,123.60
  6. Step 6: Final answer
    x = 132,688,538.70

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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.