Home / 200,423,207.15-300,561,070.55-69,232,096.21

Finding the Fourth Proportional to 200,423,207.15, 300,561,070.55 and 69,232,096.21

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Solution

The fourth proportional to 200,423,207.15, 300,561,070.55 and 69,232,096.21 is: 103,822,672.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,423,207.15 : 300,561,070.55 = 69,232,096.21 : x
  2. Step 2: Convert to fraction form
    200,423,207.15/300,561,070.55 = 69,232,096.21/x
  3. Step 3: Cross multiply
    200,423,207.15x = 300,561,070.55 × 69,232,096.21
  4. Step 4: Simplify right side
    200,423,207.15x = 20,808,472,951,449,232
  5. Step 5: Solve for x
    x = 20,808,472,951,449,232/200,423,207.15
  6. Step 6: Final answer
    x = 103,822,672.27

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1.5x scale

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.