Home / 168,497,967.40-252,774,944.70-66,265,340.20

Finding the Fourth Proportional to 168,497,967.40, 252,774,944.70 and 66,265,340.20

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Solution

The fourth proportional to 168,497,967.40, 252,774,944.70 and 66,265,340.20 is: 99,409,019.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,497,967.40 : 252,774,944.70 = 66,265,340.20 : x
  2. Step 2: Convert to fraction form
    168,497,967.40/252,774,944.70 = 66,265,340.20/x
  3. Step 3: Cross multiply
    168,497,967.40x = 252,774,944.70 × 66,265,340.20
  4. Step 4: Simplify right side
    168,497,967.40x = 16,750,217,704,581,686
  5. Step 5: Solve for x
    x = 16,750,217,704,581,686/168,497,967.40
  6. Step 6: Final answer
    x = 99,409,019.37

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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.