Home / 140,985,792.54-211,480,149.24-42,618,318.48

Finding the Fourth Proportional to 140,985,792.54, 211,480,149.24 and 42,618,318.48

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Solution

The fourth proportional to 140,985,792.54, 211,480,149.24 and 42,618,318.48 is: 63,927,919.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,985,792.54 : 211,480,149.24 = 42,618,318.48 : x
  2. Step 2: Convert to fraction form
    140,985,792.54/211,480,149.24 = 42,618,318.48/x
  3. Step 3: Cross multiply
    140,985,792.54x = 211,480,149.24 × 42,618,318.48
  4. Step 4: Simplify right side
    140,985,792.54x = 9,012,928,352,508,250
  5. Step 5: Solve for x
    x = 9,012,928,352,508,250/140,985,792.54
  6. Step 6: Final answer
    x = 63,927,919.19

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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.