Home / 124,416,010.80-186,535,542.60-47,709,399.60

Finding the Fourth Proportional to 124,416,010.80, 186,535,542.60 and 47,709,399.60

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Solution

The fourth proportional to 124,416,010.80, 186,535,542.60 and 47,709,399.60 is: 71,530,172.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,416,010.80 : 186,535,542.60 = 47,709,399.60 : x
  2. Step 2: Convert to fraction form
    124,416,010.80/186,535,542.60 = 47,709,399.60/x
  3. Step 3: Cross multiply
    124,416,010.80x = 186,535,542.60 × 47,709,399.60
  4. Step 4: Simplify right side
    124,416,010.80x = 8,899,498,741,506,223
  5. Step 5: Solve for x
    x = 8,899,498,741,506,223/124,416,010.80
  6. Step 6: Final answer
    x = 71,530,172.72

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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.