Home / 111,822,912.64-154,290,089.28-62,912,494.72

Finding the Fourth Proportional to 111,822,912.64, 154,290,089.28 and 62,912,494.72

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Solution

The fourth proportional to 111,822,912.64, 154,290,089.28 and 62,912,494.72 is: 86,804,879.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,822,912.64 : 154,290,089.28 = 62,912,494.72 : x
  2. Step 2: Convert to fraction form
    111,822,912.64/154,290,089.28 = 62,912,494.72/x
  3. Step 3: Cross multiply
    111,822,912.64x = 154,290,089.28 × 62,912,494.72
  4. Step 4: Simplify right side
    111,822,912.64x = 9,706,774,427,176,328
  5. Step 5: Solve for x
    x = 9,706,774,427,176,328/111,822,912.64
  6. Step 6: Final answer
    x = 86,804,879.23

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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.