Home / 99,278,567.60-148,917,851.40-67,029,940.40

Finding the Fourth Proportional to 99,278,567.60, 148,917,851.40 and 67,029,940.40

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Solution

The fourth proportional to 99,278,567.60, 148,917,851.40 and 67,029,940.40 is: 100,544,910.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,278,567.60 : 148,917,851.40 = 67,029,940.40 : x
  2. Step 2: Convert to fraction form
    99,278,567.60/148,917,851.40 = 67,029,940.40/x
  3. Step 3: Cross multiply
    99,278,567.60x = 148,917,851.40 × 67,029,940.40
  4. Step 4: Simplify right side
    99,278,567.60x = 9,981,954,703,838,056
  5. Step 5: Solve for x
    x = 9,981,954,703,838,056/99,278,567.60
  6. Step 6: Final answer
    x = 100,544,910.60

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1.5x scale

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.