Home / 99,845,918.12-137,784,722.94-55,793,278.95

Finding the Fourth Proportional to 99,845,918.12, 137,784,722.94 and 55,793,278.95

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Solution

The fourth proportional to 99,845,918.12, 137,784,722.94 and 55,793,278.95 is: 76,993,247.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,845,918.12 : 137,784,722.94 = 55,793,278.95 : x
  2. Step 2: Convert to fraction form
    99,845,918.12/137,784,722.94 = 55,793,278.95/x
  3. Step 3: Cross multiply
    99,845,918.12x = 137,784,722.94 × 55,793,278.95
  4. Step 4: Simplify right side
    99,845,918.12x = 7,687,461,481,523,191
  5. Step 5: Solve for x
    x = 7,687,461,481,523,191/99,845,918.12
  6. Step 6: Final answer
    x = 76,993,247.46

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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.