Home / 105,984,007.90-158,976,011.85-73,567,419.10

Finding the Fourth Proportional to 105,984,007.90, 158,976,011.85 and 73,567,419.10

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Solution

The fourth proportional to 105,984,007.90, 158,976,011.85 and 73,567,419.10 is: 110,351,128.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,984,007.90 : 158,976,011.85 = 73,567,419.10 : x
  2. Step 2: Convert to fraction form
    105,984,007.90/158,976,011.85 = 73,567,419.10/x
  3. Step 3: Cross multiply
    105,984,007.90x = 158,976,011.85 × 73,567,419.10
  4. Step 4: Simplify right side
    105,984,007.90x = 11,695,454,890,615,514
  5. Step 5: Solve for x
    x = 11,695,454,890,615,514/105,984,007.90
  6. Step 6: Final answer
    x = 110,351,128.65

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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.