Home / 56,169,619.60-84,254,429.40-47,687,558.80

Finding the Fourth Proportional to 56,169,619.60, 84,254,429.40 and 47,687,558.80

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Solution

The fourth proportional to 56,169,619.60, 84,254,429.40 and 47,687,558.80 is: 71,531,338.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,169,619.60 : 84,254,429.40 = 47,687,558.80 : x
  2. Step 2: Convert to fraction form
    56,169,619.60/84,254,429.40 = 47,687,558.80/x
  3. Step 3: Cross multiply
    56,169,619.60x = 84,254,429.40 × 47,687,558.80
  4. Step 4: Simplify right side
    56,169,619.60x = 4,017,888,056,172,949
  5. Step 5: Solve for x
    x = 4,017,888,056,172,949/56,169,619.60
  6. Step 6: Final answer
    x = 71,531,338.20

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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.