Home / 61,947,151.80-92,920,727.70-51,869,455.80

Finding the Fourth Proportional to 61,947,151.80, 92,920,727.70 and 51,869,455.80

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Solution

The fourth proportional to 61,947,151.80, 92,920,727.70 and 51,869,455.80 is: 77,804,183.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,947,151.80 : 92,920,727.70 = 51,869,455.80 : x
  2. Step 2: Convert to fraction form
    61,947,151.80/92,920,727.70 = 51,869,455.80/x
  3. Step 3: Cross multiply
    61,947,151.80x = 92,920,727.70 × 51,869,455.80
  4. Step 4: Simplify right side
    61,947,151.80x = 4,819,747,578,338,986
  5. Step 5: Solve for x
    x = 4,819,747,578,338,986/61,947,151.80
  6. Step 6: Final answer
    x = 77,804,183.70

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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.