Home / 115,900,908.10-173,851,362.15-69,984,405.70

Finding the Fourth Proportional to 115,900,908.10, 173,851,362.15 and 69,984,405.70

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Solution

The fourth proportional to 115,900,908.10, 173,851,362.15 and 69,984,405.70 is: 104,976,608.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,900,908.10 : 173,851,362.15 = 69,984,405.70 : x
  2. Step 2: Convert to fraction form
    115,900,908.10/173,851,362.15 = 69,984,405.70/x
  3. Step 3: Cross multiply
    115,900,908.10x = 173,851,362.15 × 69,984,405.70
  4. Step 4: Simplify right side
    115,900,908.10x = 12,166,884,260,203,226
  5. Step 5: Solve for x
    x = 12,166,884,260,203,226/115,900,908.10
  6. Step 6: Final answer
    x = 104,976,608.55

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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.