Home / 154,909,793.10-232,364,689.65-131,021,921.10

Finding the Fourth Proportional to 154,909,793.10, 232,364,689.65 and 131,021,921.10

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Solution

The fourth proportional to 154,909,793.10, 232,364,689.65 and 131,021,921.10 is: 196,532,881.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,909,793.10 : 232,364,689.65 = 131,021,921.10 : x
  2. Step 2: Convert to fraction form
    154,909,793.10/232,364,689.65 = 131,021,921.10/x
  3. Step 3: Cross multiply
    154,909,793.10x = 232,364,689.65 × 131,021,921.10
  4. Step 4: Simplify right side
    154,909,793.10x = 30,444,868,033,748,288
  5. Step 5: Solve for x
    x = 30,444,868,033,748,288/154,909,793.10
  6. Step 6: Final answer
    x = 196,532,881.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.