Home / 70,858,696.80-106,288,045.20-53,726,613.60

Finding the Fourth Proportional to 70,858,696.80, 106,288,045.20 and 53,726,613.60

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Solution

The fourth proportional to 70,858,696.80, 106,288,045.20 and 53,726,613.60 is: 80,589,920.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,858,696.80 : 106,288,045.20 = 53,726,613.60 : x
  2. Step 2: Convert to fraction form
    70,858,696.80/106,288,045.20 = 53,726,613.60/x
  3. Step 3: Cross multiply
    70,858,696.80x = 106,288,045.20 × 53,726,613.60
  4. Step 4: Simplify right side
    70,858,696.80x = 5,710,496,734,759,735
  5. Step 5: Solve for x
    x = 5,710,496,734,759,735/70,858,696.80
  6. Step 6: Final answer
    x = 80,589,920.40

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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.