Home / 168,151,740.40-252,227,610.60-77,275,329.40

Finding the Fourth Proportional to 168,151,740.40, 252,227,610.60 and 77,275,329.40

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Solution

The fourth proportional to 168,151,740.40, 252,227,610.60 and 77,275,329.40 is: 115,912,994.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,151,740.40 : 252,227,610.60 = 77,275,329.40 : x
  2. Step 2: Convert to fraction form
    168,151,740.40/252,227,610.60 = 77,275,329.40/x
  3. Step 3: Cross multiply
    168,151,740.40x = 252,227,610.60 × 77,275,329.40
  4. Step 4: Simplify right side
    168,151,740.40x = 19,490,971,692,889,932
  5. Step 5: Solve for x
    x = 19,490,971,692,889,932/168,151,740.40
  6. Step 6: Final answer
    x = 115,912,994.10

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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.