Home / 72,013,108.32-108,023,142.24-23,490,868.32

Finding the Fourth Proportional to 72,013,108.32, 108,023,142.24 and 23,490,868.32

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Solution

The fourth proportional to 72,013,108.32, 108,023,142.24 and 23,490,868.32 is: 35,237,437.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,013,108.32 : 108,023,142.24 = 23,490,868.32 : x
  2. Step 2: Convert to fraction form
    72,013,108.32/108,023,142.24 = 23,490,868.32/x
  3. Step 3: Cross multiply
    72,013,108.32x = 108,023,142.24 × 23,490,868.32
  4. Step 4: Simplify right side
    72,013,108.32x = 2,537,557,409,872,469.50
  5. Step 5: Solve for x
    x = 2,537,557,409,872,469.50/72,013,108.32
  6. Step 6: Final answer
    x = 35,237,437.59

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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.