Home / 168,493,417.20-252,740,125.80-40,842,601.20

Finding the Fourth Proportional to 168,493,417.20, 252,740,125.80 and 40,842,601.20

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Solution

The fourth proportional to 168,493,417.20, 252,740,125.80 and 40,842,601.20 is: 61,263,901.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,493,417.20 : 252,740,125.80 = 40,842,601.20 : x
  2. Step 2: Convert to fraction form
    168,493,417.20/252,740,125.80 = 40,842,601.20/x
  3. Step 3: Cross multiply
    168,493,417.20x = 252,740,125.80 × 40,842,601.20
  4. Step 4: Simplify right side
    168,493,417.20x = 10,322,564,165,287,232
  5. Step 5: Solve for x
    x = 10,322,564,165,287,232/168,493,417.20
  6. Step 6: Final answer
    x = 61,263,901.80

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1.5x scale

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.