Home / 165,008,010.60-247,348,719.90-72,941,725.80

Finding the Fourth Proportional to 165,008,010.60, 247,348,719.90 and 72,941,725.80

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Solution

The fourth proportional to 165,008,010.60, 247,348,719.90 and 72,941,725.80 is: 109,340,403.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,008,010.60 : 247,348,719.90 = 72,941,725.80 : x
  2. Step 2: Convert to fraction form
    165,008,010.60/247,348,719.90 = 72,941,725.80/x
  3. Step 3: Cross multiply
    165,008,010.60x = 247,348,719.90 × 72,941,725.80
  4. Step 4: Simplify right side
    165,008,010.60x = 18,042,042,503,926,804
  5. Step 5: Solve for x
    x = 18,042,042,503,926,804/165,008,010.60
  6. Step 6: Final answer
    x = 109,340,403.77

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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.