Home / 168,191,143.60-252,286,715.40-103,284,482.80

Finding the Fourth Proportional to 168,191,143.60, 252,286,715.40 and 103,284,482.80

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Solution

The fourth proportional to 168,191,143.60, 252,286,715.40 and 103,284,482.80 is: 154,926,724.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,191,143.60 : 252,286,715.40 = 103,284,482.80 : x
  2. Step 2: Convert to fraction form
    168,191,143.60/252,286,715.40 = 103,284,482.80/x
  3. Step 3: Cross multiply
    168,191,143.60x = 252,286,715.40 × 103,284,482.80
  4. Step 4: Simplify right side
    168,191,143.60x = 26,057,302,917,399,796
  5. Step 5: Solve for x
    x = 26,057,302,917,399,796/168,191,143.60
  6. Step 6: Final answer
    x = 154,926,724.20

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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.