Home / 56,343,947.60-84,515,921.40-43,573,617.20

Finding the Fourth Proportional to 56,343,947.60, 84,515,921.40 and 43,573,617.20

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Solution

The fourth proportional to 56,343,947.60, 84,515,921.40 and 43,573,617.20 is: 65,360,425.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,343,947.60 : 84,515,921.40 = 43,573,617.20 : x
  2. Step 2: Convert to fraction form
    56,343,947.60/84,515,921.40 = 43,573,617.20/x
  3. Step 3: Cross multiply
    56,343,947.60x = 84,515,921.40 × 43,573,617.20
  4. Step 4: Simplify right side
    56,343,947.60x = 3,682,664,406,388,888.50
  5. Step 5: Solve for x
    x = 3,682,664,406,388,888.50/56,343,947.60
  6. Step 6: Final answer
    x = 65,360,425.80

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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.