Home / 145,170,029.30-217,503,101.55-122,495,213.30

Finding the Fourth Proportional to 145,170,029.30, 217,503,101.55 and 122,495,213.30

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Solution

The fourth proportional to 145,170,029.30, 217,503,101.55 and 122,495,213.30 is: 183,530,229.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,170,029.30 : 217,503,101.55 = 122,495,213.30 : x
  2. Step 2: Convert to fraction form
    145,170,029.30/217,503,101.55 = 122,495,213.30/x
  3. Step 3: Cross multiply
    145,170,029.30x = 217,503,101.55 × 122,495,213.30
  4. Step 4: Simplify right side
    145,170,029.30x = 26,643,088,817,778,812
  5. Step 5: Solve for x
    x = 26,643,088,817,778,812/145,170,029.30
  6. Step 6: Final answer
    x = 183,530,229.66

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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.