Home / 66,260,680.95-99,261,720.28-51,619,043.51

Finding the Fourth Proportional to 66,260,680.95, 99,261,720.28 and 51,619,043.51

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Solution

The fourth proportional to 66,260,680.95, 99,261,720.28 and 51,619,043.51 is: 77,327,835.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,260,680.95 : 99,261,720.28 = 51,619,043.51 : x
  2. Step 2: Convert to fraction form
    66,260,680.95/99,261,720.28 = 51,619,043.51/x
  3. Step 3: Cross multiply
    66,260,680.95x = 99,261,720.28 × 51,619,043.51
  4. Step 4: Simplify right side
    66,260,680.95x = 5,123,795,058,010,769
  5. Step 5: Solve for x
    x = 5,123,795,058,010,769/66,260,680.95
  6. Step 6: Final answer
    x = 77,327,835.82

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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.