Home / 111,370,278.20-167,055,417.30-103,812,006.20

Finding the Fourth Proportional to 111,370,278.20, 167,055,417.30 and 103,812,006.20

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Solution

The fourth proportional to 111,370,278.20, 167,055,417.30 and 103,812,006.20 is: 155,718,009.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,370,278.20 : 167,055,417.30 = 103,812,006.20 : x
  2. Step 2: Convert to fraction form
    111,370,278.20/167,055,417.30 = 103,812,006.20/x
  3. Step 3: Cross multiply
    111,370,278.20x = 167,055,417.30 × 103,812,006.20
  4. Step 4: Simplify right side
    111,370,278.20x = 17,342,358,016,491,188
  5. Step 5: Solve for x
    x = 17,342,358,016,491,188/111,370,278.20
  6. Step 6: Final answer
    x = 155,718,009.30

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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.