Home / 146,681,031.32-202,217,559.86-117,012,377.42

Finding the Fourth Proportional to 146,681,031.32, 202,217,559.86 and 117,012,377.42

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Solution

The fourth proportional to 146,681,031.32, 202,217,559.86 and 117,012,377.42 is: 161,315,728.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,681,031.32 : 202,217,559.86 = 117,012,377.42 : x
  2. Step 2: Convert to fraction form
    146,681,031.32/202,217,559.86 = 117,012,377.42/x
  3. Step 3: Cross multiply
    146,681,031.32x = 202,217,559.86 × 117,012,377.42
  4. Step 4: Simplify right side
    146,681,031.32x = 23,661,957,435,289,764
  5. Step 5: Solve for x
    x = 23,661,957,435,289,764/146,681,031.32
  6. Step 6: Final answer
    x = 161,315,728.57

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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.