Home / 111,506,686.20-167,260,029.30-87,320,215.80

Finding the Fourth Proportional to 111,506,686.20, 167,260,029.30 and 87,320,215.80

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Solution

The fourth proportional to 111,506,686.20, 167,260,029.30 and 87,320,215.80 is: 130,980,323.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,506,686.20 : 167,260,029.30 = 87,320,215.80 : x
  2. Step 2: Convert to fraction form
    111,506,686.20/167,260,029.30 = 87,320,215.80/x
  3. Step 3: Cross multiply
    111,506,686.20x = 167,260,029.30 × 87,320,215.80
  4. Step 4: Simplify right side
    111,506,686.20x = 14,605,181,853,190,324
  5. Step 5: Solve for x
    x = 14,605,181,853,190,324/111,506,686.20
  6. Step 6: Final answer
    x = 130,980,323.70

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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.