Home / 89,017,427.42-122,904,036.78-55,577,872.10

Finding the Fourth Proportional to 89,017,427.42, 122,904,036.78 and 55,577,872.10

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Solution

The fourth proportional to 89,017,427.42, 122,904,036.78 and 55,577,872.10 is: 76,734,916.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,017,427.42 : 122,904,036.78 = 55,577,872.10 : x
  2. Step 2: Convert to fraction form
    89,017,427.42/122,904,036.78 = 55,577,872.10/x
  3. Step 3: Cross multiply
    89,017,427.42x = 122,904,036.78 × 55,577,872.10
  4. Step 4: Simplify right side
    89,017,427.42x = 6,830,744,836,118,016
  5. Step 5: Solve for x
    x = 6,830,744,836,118,016/89,017,427.42
  6. Step 6: Final answer
    x = 76,734,916.23

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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.