Home / 112,047,414.30-168,071,121.45-68,776,307.10

Finding the Fourth Proportional to 112,047,414.30, 168,071,121.45 and 68,776,307.10

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Solution

The fourth proportional to 112,047,414.30, 168,071,121.45 and 68,776,307.10 is: 103,164,460.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,047,414.30 : 168,071,121.45 = 68,776,307.10 : x
  2. Step 2: Convert to fraction form
    112,047,414.30/168,071,121.45 = 68,776,307.10/x
  3. Step 3: Cross multiply
    112,047,414.30x = 168,071,121.45 × 68,776,307.10
  4. Step 4: Simplify right side
    112,047,414.30x = 11,559,311,063,486,596
  5. Step 5: Solve for x
    x = 11,559,311,063,486,596/112,047,414.30
  6. Step 6: Final answer
    x = 103,164,460.65

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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.