Home / 99,840,682.76-137,785,464.45-55,788,750.95

Finding the Fourth Proportional to 99,840,682.76, 137,785,464.45 and 55,788,750.95

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Solution

The fourth proportional to 99,840,682.76, 137,785,464.45 and 55,788,750.95 is: 76,991,450.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,840,682.76 : 137,785,464.45 = 55,788,750.95 : x
  2. Step 2: Convert to fraction form
    99,840,682.76/137,785,464.45 = 55,788,750.95/x
  3. Step 3: Cross multiply
    99,840,682.76x = 137,785,464.45 × 55,788,750.95
  4. Step 4: Simplify right side
    99,840,682.76x = 7,686,878,960,042,201
  5. Step 5: Solve for x
    x = 7,686,878,960,042,201/99,840,682.76
  6. Step 6: Final answer
    x = 76,991,450.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.