Home / 99,845,738.15-137,784,475.41-55,793,098.98

Finding the Fourth Proportional to 99,845,738.15, 137,784,475.41 and 55,793,098.98

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Solution

The fourth proportional to 99,845,738.15, 137,784,475.41 and 55,793,098.98 is: 76,992,999.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,845,738.15 : 137,784,475.41 = 55,793,098.98 : x
  2. Step 2: Convert to fraction form
    99,845,738.15/137,784,475.41 = 55,793,098.98/x
  3. Step 3: Cross multiply
    99,845,738.15x = 137,784,475.41 × 55,793,098.98
  4. Step 4: Simplify right side
    99,845,738.15x = 7,687,422,874,457,505
  5. Step 5: Solve for x
    x = 7,687,422,874,457,505/99,845,738.15
  6. Step 6: Final answer
    x = 76,992,999.57

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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.