Home / 168,369,579.30-252,365,412.15-71,308,769.70

Finding the Fourth Proportional to 168,369,579.30, 252,365,412.15 and 71,308,769.70

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Solution

The fourth proportional to 168,369,579.30, 252,365,412.15 and 71,308,769.70 is: 106,883,126.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,369,579.30 : 252,365,412.15 = 71,308,769.70 : x
  2. Step 2: Convert to fraction form
    168,369,579.30/252,365,412.15 = 71,308,769.70/x
  3. Step 3: Cross multiply
    168,369,579.30x = 252,365,412.15 × 71,308,769.70
  4. Step 4: Simplify right side
    168,369,579.30x = 17,995,867,055,249,934
  5. Step 5: Solve for x
    x = 17,995,867,055,249,934/168,369,579.30
  6. Step 6: Final answer
    x = 106,883,126.57

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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.