Home / 56,807,760.80-85,211,641.20-47,737,834.40

Finding the Fourth Proportional to 56,807,760.80, 85,211,641.20 and 47,737,834.40

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Solution

The fourth proportional to 56,807,760.80, 85,211,641.20 and 47,737,834.40 is: 71,606,751.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,807,760.80 : 85,211,641.20 = 47,737,834.40 : x
  2. Step 2: Convert to fraction form
    56,807,760.80/85,211,641.20 = 47,737,834.40/x
  3. Step 3: Cross multiply
    56,807,760.80x = 85,211,641.20 × 47,737,834.40
  4. Step 4: Simplify right side
    56,807,760.80x = 4,067,819,216,557,817.50
  5. Step 5: Solve for x
    x = 4,067,819,216,557,817.50/56,807,760.80
  6. Step 6: Final answer
    x = 71,606,751.60

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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.