Home / 149,883,727.20-206,776,207.14-100,340,063.10

Finding the Fourth Proportional to 149,883,727.20, 206,776,207.14 and 100,340,063.10

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Solution

The fourth proportional to 149,883,727.20, 206,776,207.14 and 100,340,063.10 is: 138,426,886.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,883,727.20 : 206,776,207.14 = 100,340,063.10 : x
  2. Step 2: Convert to fraction form
    149,883,727.20/206,776,207.14 = 100,340,063.10/x
  3. Step 3: Cross multiply
    149,883,727.20x = 206,776,207.14 × 100,340,063.10
  4. Step 4: Simplify right side
    149,883,727.20x = 20,747,937,672,006,268
  5. Step 5: Solve for x
    x = 20,747,937,672,006,268/149,883,727.20
  6. Step 6: Final answer
    x = 138,426,886.36

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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.