Home / 99,845,751.56-137,784,494.06-55,793,112.39

Finding the Fourth Proportional to 99,845,751.56, 137,784,494.06 and 55,793,112.39

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Solution

The fourth proportional to 99,845,751.56, 137,784,494.06 and 55,793,112.39 is: 76,993,018.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,845,751.56 : 137,784,494.06 = 55,793,112.39 : x
  2. Step 2: Convert to fraction form
    99,845,751.56/137,784,494.06 = 55,793,112.39/x
  3. Step 3: Cross multiply
    99,845,751.56x = 137,784,494.06 × 55,793,112.39
  4. Step 4: Simplify right side
    99,845,751.56x = 7,687,425,762,409,902
  5. Step 5: Solve for x
    x = 7,687,425,762,409,902/99,845,751.56
  6. Step 6: Final answer
    x = 76,993,018.16

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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.