Home / 30,345,309.60-45,517,964.40-30,156,352.80

Finding the Fourth Proportional to 30,345,309.60, 45,517,964.40 and 30,156,352.80

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Solution

The fourth proportional to 30,345,309.60, 45,517,964.40 and 30,156,352.80 is: 45,234,529.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,345,309.60 : 45,517,964.40 = 30,156,352.80 : x
  2. Step 2: Convert to fraction form
    30,345,309.60/45,517,964.40 = 30,156,352.80/x
  3. Step 3: Cross multiply
    30,345,309.60x = 45,517,964.40 × 30,156,352.80
  4. Step 4: Simplify right side
    30,345,309.60x = 1,372,655,793,184,240.25
  5. Step 5: Solve for x
    x = 1,372,655,793,184,240.25/30,345,309.60
  6. Step 6: Final answer
    x = 45,234,529.20

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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.