Home / 66,260,689.21-99,261,732.64-51,619,051.79

Finding the Fourth Proportional to 66,260,689.21, 99,261,732.64 and 51,619,051.79

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Solution

The fourth proportional to 66,260,689.21, 99,261,732.64 and 51,619,051.79 is: 77,327,848.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,260,689.21 : 99,261,732.64 = 51,619,051.79 : x
  2. Step 2: Convert to fraction form
    66,260,689.21/99,261,732.64 = 51,619,051.79/x
  3. Step 3: Cross multiply
    66,260,689.21x = 99,261,732.64 × 51,619,051.79
  4. Step 4: Simplify right side
    66,260,689.21x = 5,123,796,517,909,293
  5. Step 5: Solve for x
    x = 5,123,796,517,909,293/66,260,689.21
  6. Step 6: Final answer
    x = 77,327,848.22

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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.