Home / 146,568,657.60-219,852,986.40-74,755,742.40

Finding the Fourth Proportional to 146,568,657.60, 219,852,986.40 and 74,755,742.40

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Solution

The fourth proportional to 146,568,657.60, 219,852,986.40 and 74,755,742.40 is: 112,133,613.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,568,657.60 : 219,852,986.40 = 74,755,742.40 : x
  2. Step 2: Convert to fraction form
    146,568,657.60/219,852,986.40 = 74,755,742.40/x
  3. Step 3: Cross multiply
    146,568,657.60x = 219,852,986.40 × 74,755,742.40
  4. Step 4: Simplify right side
    146,568,657.60x = 16,435,273,217,189,106
  5. Step 5: Solve for x
    x = 16,435,273,217,189,106/146,568,657.60
  6. Step 6: Final answer
    x = 112,133,613.60

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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.