Home / 203,660,168.90-305,490,253.35-74,272,000.10

Finding the Fourth Proportional to 203,660,168.90, 305,490,253.35 and 74,272,000.10

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Solution

The fourth proportional to 203,660,168.90, 305,490,253.35 and 74,272,000.10 is: 111,408,000.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,660,168.90 : 305,490,253.35 = 74,272,000.10 : x
  2. Step 2: Convert to fraction form
    203,660,168.90/305,490,253.35 = 74,272,000.10/x
  3. Step 3: Cross multiply
    203,660,168.90x = 305,490,253.35 × 74,272,000.10
  4. Step 4: Simplify right side
    203,660,168.90x = 22,689,372,127,360,224
  5. Step 5: Solve for x
    x = 22,689,372,127,360,224/203,660,168.90
  6. Step 6: Final answer
    x = 111,408,000.15

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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.