Home / 154,170,459.12-212,735,619.90-88,095,240.48

Finding the Fourth Proportional to 154,170,459.12, 212,735,619.90 and 88,095,240.48

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Solution

The fourth proportional to 154,170,459.12, 212,735,619.90 and 88,095,240.48 is: 121,560,224.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,170,459.12 : 212,735,619.90 = 88,095,240.48 : x
  2. Step 2: Convert to fraction form
    154,170,459.12/212,735,619.90 = 88,095,240.48/x
  3. Step 3: Cross multiply
    154,170,459.12x = 212,735,619.90 × 88,095,240.48
  4. Step 4: Simplify right side
    154,170,459.12x = 18,740,995,593,752,376
  5. Step 5: Solve for x
    x = 18,740,995,593,752,376/154,170,459.12
  6. Step 6: Final answer
    x = 121,560,224.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.