Home / 105,528,015.90-158,292,023.85-65,217,231.90

Finding the Fourth Proportional to 105,528,015.90, 158,292,023.85 and 65,217,231.90

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Solution

The fourth proportional to 105,528,015.90, 158,292,023.85 and 65,217,231.90 is: 97,825,847.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,528,015.90 : 158,292,023.85 = 65,217,231.90 : x
  2. Step 2: Convert to fraction form
    105,528,015.90/158,292,023.85 = 65,217,231.90/x
  3. Step 3: Cross multiply
    105,528,015.90x = 158,292,023.85 × 65,217,231.90
  4. Step 4: Simplify right side
    105,528,015.90x = 10,323,367,627,345,780
  5. Step 5: Solve for x
    x = 10,323,367,627,345,780/105,528,015.90
  6. Step 6: Final answer
    x = 97,825,847.85

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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.