Home / 85,084,427.57-127,631,167-26,796,663.77

Finding the Fourth Proportional to 85,084,427.57, 127,631,167 and 26,796,663.77

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Solution

The fourth proportional to 85,084,427.57, 127,631,167 and 26,796,663.77 is: 40,196,420.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,084,427.57 : 127,631,167 = 26,796,663.77 : x
  2. Step 2: Convert to fraction form
    85,084,427.57/127,631,167 = 26,796,663.77/x
  3. Step 3: Cross multiply
    85,084,427.57x = 127,631,167 × 26,796,663.77
  4. Step 4: Simplify right side
    85,084,427.57x = 3,420,089,468,671,719.50
  5. Step 5: Solve for x
    x = 3,420,089,468,671,719.50/85,084,427.57
  6. Step 6: Final answer
    x = 40,196,420.97

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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.