Home / 91,681,172.78-137,506,809.81-26,969,840.78

Finding the Fourth Proportional to 91,681,172.78, 137,506,809.81 and 26,969,840.78

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Solution

The fourth proportional to 91,681,172.78, 137,506,809.81 and 26,969,840.78 is: 40,450,363.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,681,172.78 : 137,506,809.81 = 26,969,840.78 : x
  2. Step 2: Convert to fraction form
    91,681,172.78/137,506,809.81 = 26,969,840.78/x
  3. Step 3: Cross multiply
    91,681,172.78x = 137,506,809.81 × 26,969,840.78
  4. Step 4: Simplify right side
    91,681,172.78x = 3,708,536,766,741,442.50
  5. Step 5: Solve for x
    x = 3,708,536,766,741,442.50/91,681,172.78
  6. Step 6: Final answer
    x = 40,450,363.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.