Home / 72,175,011.46-99,601,409.23-39,135,200.56

Finding the Fourth Proportional to 72,175,011.46, 99,601,409.23 and 39,135,200.56

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Solution

The fourth proportional to 72,175,011.46, 99,601,409.23 and 39,135,200.56 is: 54,006,518.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,175,011.46 : 99,601,409.23 = 39,135,200.56 : x
  2. Step 2: Convert to fraction form
    72,175,011.46/99,601,409.23 = 39,135,200.56/x
  3. Step 3: Cross multiply
    72,175,011.46x = 99,601,409.23 × 39,135,200.56
  4. Step 4: Simplify right side
    72,175,011.46x = 3,897,921,126,274,685.50
  5. Step 5: Solve for x
    x = 3,897,921,126,274,685.50/72,175,011.46
  6. Step 6: Final answer
    x = 54,006,518.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.