Home / 61,206,005.80-91,809,008.70-53,234,390.80

Finding the Fourth Proportional to 61,206,005.80, 91,809,008.70 and 53,234,390.80

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Solution

The fourth proportional to 61,206,005.80, 91,809,008.70 and 53,234,390.80 is: 79,851,586.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,206,005.80 : 91,809,008.70 = 53,234,390.80 : x
  2. Step 2: Convert to fraction form
    61,206,005.80/91,809,008.70 = 53,234,390.80/x
  3. Step 3: Cross multiply
    61,206,005.80x = 91,809,008.70 × 53,234,390.80
  4. Step 4: Simplify right side
    61,206,005.80x = 4,887,396,648,096,400
  5. Step 5: Solve for x
    x = 4,887,396,648,096,400/61,206,005.80
  6. Step 6: Final answer
    x = 79,851,586.20

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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.