Home / 61,545,990.80-92,318,986.20-25,639,533.20

Finding the Fourth Proportional to 61,545,990.80, 92,318,986.20 and 25,639,533.20

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Solution

The fourth proportional to 61,545,990.80, 92,318,986.20 and 25,639,533.20 is: 38,459,299.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,545,990.80 : 92,318,986.20 = 25,639,533.20 : x
  2. Step 2: Convert to fraction form
    61,545,990.80/92,318,986.20 = 25,639,533.20/x
  3. Step 3: Cross multiply
    61,545,990.80x = 92,318,986.20 × 25,639,533.20
  4. Step 4: Simplify right side
    61,545,990.80x = 2,367,015,711,665,242
  5. Step 5: Solve for x
    x = 2,367,015,711,665,242/61,545,990.80
  6. Step 6: Final answer
    x = 38,459,299.80

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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.