Home / 66,260,679.95-99,261,718.78-51,619,042.51

Finding the Fourth Proportional to 66,260,679.95, 99,261,718.78 and 51,619,042.51

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Solution

The fourth proportional to 66,260,679.95, 99,261,718.78 and 51,619,042.51 is: 77,327,834.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,260,679.95 : 99,261,718.78 = 51,619,042.51 : x
  2. Step 2: Convert to fraction form
    66,260,679.95/99,261,718.78 = 51,619,042.51/x
  3. Step 3: Cross multiply
    66,260,679.95x = 99,261,718.78 × 51,619,042.51
  4. Step 4: Simplify right side
    66,260,679.95x = 5,123,794,881,320,485
  5. Step 5: Solve for x
    x = 5,123,794,881,320,485/66,260,679.95
  6. Step 6: Final answer
    x = 77,327,834.32

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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.