Home / 160,585,944.10-221,608,602.60-90,971,324.76

Finding the Fourth Proportional to 160,585,944.10, 221,608,602.60 and 90,971,324.76

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Solution

The fourth proportional to 160,585,944.10, 221,608,602.60 and 90,971,324.76 is: 125,540,428.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,585,944.10 : 221,608,602.60 = 90,971,324.76 : x
  2. Step 2: Convert to fraction form
    160,585,944.10/221,608,602.60 = 90,971,324.76/x
  3. Step 3: Cross multiply
    160,585,944.10x = 221,608,602.60 × 90,971,324.76
  4. Step 4: Simplify right side
    160,585,944.10x = 20,160,028,156,734,380
  5. Step 5: Solve for x
    x = 20,160,028,156,734,380/160,585,944.10
  6. Step 6: Final answer
    x = 125,540,428.02

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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.