Home / 111,506,708.20-167,260,062.30-87,320,237.80

Finding the Fourth Proportional to 111,506,708.20, 167,260,062.30 and 87,320,237.80

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Solution

The fourth proportional to 111,506,708.20, 167,260,062.30 and 87,320,237.80 is: 130,980,356.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,506,708.20 : 167,260,062.30 = 87,320,237.80 : x
  2. Step 2: Convert to fraction form
    111,506,708.20/167,260,062.30 = 87,320,237.80/x
  3. Step 3: Cross multiply
    111,506,708.20x = 167,260,062.30 × 87,320,237.80
  4. Step 4: Simplify right side
    111,506,708.20x = 14,605,188,414,478,816
  5. Step 5: Solve for x
    x = 14,605,188,414,478,816/111,506,708.20
  6. Step 6: Final answer
    x = 130,980,356.70

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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.