Home / 86,538,072.60-129,807,108.90-25,127,112.60

Finding the Fourth Proportional to 86,538,072.60, 129,807,108.90 and 25,127,112.60

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Solution

The fourth proportional to 86,538,072.60, 129,807,108.90 and 25,127,112.60 is: 37,690,668.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,538,072.60 : 129,807,108.90 = 25,127,112.60 : x
  2. Step 2: Convert to fraction form
    86,538,072.60/129,807,108.90 = 25,127,112.60/x
  3. Step 3: Cross multiply
    86,538,072.60x = 129,807,108.90 × 25,127,112.60
  4. Step 4: Simplify right side
    86,538,072.60x = 3,261,677,841,610,762.50
  5. Step 5: Solve for x
    x = 3,261,677,841,610,762.50/86,538,072.60
  6. Step 6: Final answer
    x = 37,690,668.90

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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.