Home / 67,236,557.50-100,767,480.64-30,321,337.04

Finding the Fourth Proportional to 67,236,557.50, 100,767,480.64 and 30,321,337.04

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Solution

The fourth proportional to 67,236,557.50, 100,767,480.64 and 30,321,337.04 is: 45,442,611.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,236,557.50 : 100,767,480.64 = 30,321,337.04 : x
  2. Step 2: Convert to fraction form
    67,236,557.50/100,767,480.64 = 30,321,337.04/x
  3. Step 3: Cross multiply
    67,236,557.50x = 100,767,480.64 × 30,321,337.04
  4. Step 4: Simplify right side
    67,236,557.50x = 3,055,404,742,852,372
  5. Step 5: Solve for x
    x = 3,055,404,742,852,372/67,236,557.50
  6. Step 6: Final answer
    x = 45,442,611.23

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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.