Home / 160,585,975.97-221,608,646.51-90,971,356.76

Finding the Fourth Proportional to 160,585,975.97, 221,608,646.51 and 90,971,356.76

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Solution

The fourth proportional to 160,585,975.97, 221,608,646.51 and 90,971,356.76 is: 125,540,472.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,585,975.97 : 221,608,646.51 = 90,971,356.76 : x
  2. Step 2: Convert to fraction form
    160,585,975.97/221,608,646.51 = 90,971,356.76/x
  3. Step 3: Cross multiply
    160,585,975.97x = 221,608,646.51 × 90,971,356.76
  4. Step 4: Simplify right side
    160,585,975.97x = 20,160,039,242,761,940
  5. Step 5: Solve for x
    x = 20,160,039,242,761,940/160,585,975.97
  6. Step 6: Final answer
    x = 125,540,472.14

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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.