Home / 109,512,158.10-164,268,237.15-66,430,007.70

Finding the Fourth Proportional to 109,512,158.10, 164,268,237.15 and 66,430,007.70

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Solution

The fourth proportional to 109,512,158.10, 164,268,237.15 and 66,430,007.70 is: 99,645,011.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,512,158.10 : 164,268,237.15 = 66,430,007.70 : x
  2. Step 2: Convert to fraction form
    109,512,158.10/164,268,237.15 = 66,430,007.70/x
  3. Step 3: Cross multiply
    109,512,158.10x = 164,268,237.15 × 66,430,007.70
  4. Step 4: Simplify right side
    109,512,158.10x = 10,912,340,258,739,926
  5. Step 5: Solve for x
    x = 10,912,340,258,739,926/109,512,158.10
  6. Step 6: Final answer
    x = 99,645,011.55

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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.