Home / 146,681,032.45-202,217,561.42-117,012,378.55

Finding the Fourth Proportional to 146,681,032.45, 202,217,561.42 and 117,012,378.55

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Solution

The fourth proportional to 146,681,032.45, 202,217,561.42 and 117,012,378.55 is: 161,315,730.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,681,032.45 : 202,217,561.42 = 117,012,378.55 : x
  2. Step 2: Convert to fraction form
    146,681,032.45/202,217,561.42 = 117,012,378.55/x
  3. Step 3: Cross multiply
    146,681,032.45x = 202,217,561.42 × 117,012,378.55
  4. Step 4: Simplify right side
    146,681,032.45x = 23,661,957,845,616,360
  5. Step 5: Solve for x
    x = 23,661,957,845,616,360/146,681,032.45
  6. Step 6: Final answer
    x = 161,315,730.13

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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.