Home / 178,111,058.76-266,980,139.10-74,539,608.48

Finding the Fourth Proportional to 178,111,058.76, 266,980,139.10 and 74,539,608.48

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Solution

The fourth proportional to 178,111,058.76, 266,980,139.10 and 74,539,608.48 is: 111,731,383.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,111,058.76 : 266,980,139.10 = 74,539,608.48 : x
  2. Step 2: Convert to fraction form
    178,111,058.76/266,980,139.10 = 74,539,608.48/x
  3. Step 3: Cross multiply
    178,111,058.76x = 266,980,139.10 × 74,539,608.48
  4. Step 4: Simplify right side
    178,111,058.76x = 19,900,595,040,449,940
  5. Step 5: Solve for x
    x = 19,900,595,040,449,940/178,111,058.76
  6. Step 6: Final answer
    x = 111,731,383.66

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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.