Home / 57,302,510.60-85,764,809.10-40,296,398.60

Finding the Fourth Proportional to 57,302,510.60, 85,764,809.10 and 40,296,398.60

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Solution

The fourth proportional to 57,302,510.60, 85,764,809.10 and 40,296,398.60 is: 60,311,719.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,302,510.60 : 85,764,809.10 = 40,296,398.60 : x
  2. Step 2: Convert to fraction form
    57,302,510.60/85,764,809.10 = 40,296,398.60/x
  3. Step 3: Cross multiply
    57,302,510.60x = 85,764,809.10 × 40,296,398.60
  4. Step 4: Simplify right side
    57,302,510.60x = 3,456,012,933,346,507
  5. Step 5: Solve for x
    x = 3,456,012,933,346,507/57,302,510.60
  6. Step 6: Final answer
    x = 60,311,719.28

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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.