Home / 120,247,630.13-180,368,289.68-38,371,504.64

Finding the Fourth Proportional to 120,247,630.13, 180,368,289.68 and 38,371,504.64

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Solution

The fourth proportional to 120,247,630.13, 180,368,289.68 and 38,371,504.64 is: 57,556,250.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,247,630.13 : 180,368,289.68 = 38,371,504.64 : x
  2. Step 2: Convert to fraction form
    120,247,630.13/180,368,289.68 = 38,371,504.64/x
  3. Step 3: Cross multiply
    120,247,630.13x = 180,368,289.68 × 38,371,504.64
  4. Step 4: Simplify right side
    120,247,630.13x = 6,921,002,663,271,285
  5. Step 5: Solve for x
    x = 6,921,002,663,271,285/120,247,630.13
  6. Step 6: Final answer
    x = 57,556,250.01

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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.