Home / 91,588,277.10-126,393,054.78-49,773,172.44

Finding the Fourth Proportional to 91,588,277.10, 126,393,054.78 and 49,773,172.44

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Solution

The fourth proportional to 91,588,277.10, 126,393,054.78 and 49,773,172.44 is: 68,687,647.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,588,277.10 : 126,393,054.78 = 49,773,172.44 : x
  2. Step 2: Convert to fraction form
    91,588,277.10/126,393,054.78 = 49,773,172.44/x
  3. Step 3: Cross multiply
    91,588,277.10x = 126,393,054.78 × 49,773,172.44
  4. Step 4: Simplify right side
    91,588,277.10x = 6,290,983,311,443,930
  5. Step 5: Solve for x
    x = 6,290,983,311,443,930/91,588,277.10
  6. Step 6: Final answer
    x = 68,687,647.70

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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.