Home / 150,204,913.06-207,216,751.08-90,632,981.12

Finding the Fourth Proportional to 150,204,913.06, 207,216,751.08 and 90,632,981.12

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Solution

The fourth proportional to 150,204,913.06, 207,216,751.08 and 90,632,981.12 is: 125,033,672.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,204,913.06 : 207,216,751.08 = 90,632,981.12 : x
  2. Step 2: Convert to fraction form
    150,204,913.06/207,216,751.08 = 90,632,981.12/x
  3. Step 3: Cross multiply
    150,204,913.06x = 207,216,751.08 × 90,632,981.12
  4. Step 4: Simplify right side
    150,204,913.06x = 18,780,671,888,381,380
  5. Step 5: Solve for x
    x = 18,780,671,888,381,380/150,204,913.06
  6. Step 6: Final answer
    x = 125,033,672.37

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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.