Home / 41,193,740.80-61,790,611.20-31,657,254.40

Finding the Fourth Proportional to 41,193,740.80, 61,790,611.20 and 31,657,254.40

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Solution

The fourth proportional to 41,193,740.80, 61,790,611.20 and 31,657,254.40 is: 47,485,881.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,193,740.80 : 61,790,611.20 = 31,657,254.40 : x
  2. Step 2: Convert to fraction form
    41,193,740.80/61,790,611.20 = 31,657,254.40/x
  3. Step 3: Cross multiply
    41,193,740.80x = 61,790,611.20 × 31,657,254.40
  4. Step 4: Simplify right side
    41,193,740.80x = 1,956,121,098,289,889.25
  5. Step 5: Solve for x
    x = 1,956,121,098,289,889.25/41,193,740.80
  6. Step 6: Final answer
    x = 47,485,881.60

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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.