Home / 104,976,106.80-157,464,160.20-76,086,711.60

Finding the Fourth Proportional to 104,976,106.80, 157,464,160.20 and 76,086,711.60

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Solution

The fourth proportional to 104,976,106.80, 157,464,160.20 and 76,086,711.60 is: 114,130,067.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976,106.80 : 157,464,160.20 = 76,086,711.60 : x
  2. Step 2: Convert to fraction form
    104,976,106.80/157,464,160.20 = 76,086,711.60/x
  3. Step 3: Cross multiply
    104,976,106.80x = 157,464,160.20 × 76,086,711.60
  4. Step 4: Simplify right side
    104,976,106.80x = 11,980,930,144,473,596
  5. Step 5: Solve for x
    x = 11,980,930,144,473,596/104,976,106.80
  6. Step 6: Final answer
    x = 114,130,067.40

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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.