Home / 104,976,191.85-157,464,287.78-72,097,708.65

Finding the Fourth Proportional to 104,976,191.85, 157,464,287.78 and 72,097,708.65

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Solution

The fourth proportional to 104,976,191.85, 157,464,287.78 and 72,097,708.65 is: 108,146,562.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976,191.85 : 157,464,287.78 = 72,097,708.65 : x
  2. Step 2: Convert to fraction form
    104,976,191.85/157,464,287.78 = 72,097,708.65/x
  3. Step 3: Cross multiply
    104,976,191.85x = 157,464,287.78 × 72,097,708.65
  4. Step 4: Simplify right side
    104,976,191.85x = 11,352,814,342,781,708
  5. Step 5: Solve for x
    x = 11,352,814,342,781,708/104,976,191.85
  6. Step 6: Final answer
    x = 108,146,562.98

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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.