Home / 203,487,130.20-305,230,695.30-126,003,032.40

Finding the Fourth Proportional to 203,487,130.20, 305,230,695.30 and 126,003,032.40

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Solution

The fourth proportional to 203,487,130.20, 305,230,695.30 and 126,003,032.40 is: 189,004,548.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,487,130.20 : 305,230,695.30 = 126,003,032.40 : x
  2. Step 2: Convert to fraction form
    203,487,130.20/305,230,695.30 = 126,003,032.40/x
  3. Step 3: Cross multiply
    203,487,130.20x = 305,230,695.30 × 126,003,032.40
  4. Step 4: Simplify right side
    203,487,130.20x = 38,459,993,189,360,432
  5. Step 5: Solve for x
    x = 38,459,993,189,360,432/203,487,130.20
  6. Step 6: Final answer
    x = 189,004,548.60

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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.