Home / 55,488,001.80-83,232,002.70-51,108,558.60

Finding the Fourth Proportional to 55,488,001.80, 83,232,002.70 and 51,108,558.60

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Solution

The fourth proportional to 55,488,001.80, 83,232,002.70 and 51,108,558.60 is: 76,662,837.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,488,001.80 : 83,232,002.70 = 51,108,558.60 : x
  2. Step 2: Convert to fraction form
    55,488,001.80/83,232,002.70 = 51,108,558.60/x
  3. Step 3: Cross multiply
    55,488,001.80x = 83,232,002.70 × 51,108,558.60
  4. Step 4: Simplify right side
    55,488,001.80x = 4,253,867,687,388,308.50
  5. Step 5: Solve for x
    x = 4,253,867,687,388,308.50/55,488,001.80
  6. Step 6: Final answer
    x = 76,662,837.90

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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.