Home / 168,486,539.60-252,754,303.80-71,442,059.60

Finding the Fourth Proportional to 168,486,539.60, 252,754,303.80 and 71,442,059.60

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Solution

The fourth proportional to 168,486,539.60, 252,754,303.80 and 71,442,059.60 is: 107,173,475.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,486,539.60 : 252,754,303.80 = 71,442,059.60 : x
  2. Step 2: Convert to fraction form
    168,486,539.60/252,754,303.80 = 71,442,059.60/x
  3. Step 3: Cross multiply
    168,486,539.60x = 252,754,303.80 × 71,442,059.60
  4. Step 4: Simplify right side
    168,486,539.60x = 18,057,288,036,236,104
  5. Step 5: Solve for x
    x = 18,057,288,036,236,104/168,486,539.60
  6. Step 6: Final answer
    x = 107,173,475.57

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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.