Home / 89,711,623.47-123,802,021.29-48,458,516.25

Finding the Fourth Proportional to 89,711,623.47, 123,802,021.29 and 48,458,516.25

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Solution

The fourth proportional to 89,711,623.47, 123,802,021.29 and 48,458,516.25 is: 66,872,742.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,711,623.47 : 123,802,021.29 = 48,458,516.25 : x
  2. Step 2: Convert to fraction form
    89,711,623.47/123,802,021.29 = 48,458,516.25/x
  3. Step 3: Cross multiply
    89,711,623.47x = 123,802,021.29 × 48,458,516.25
  4. Step 4: Simplify right side
    89,711,623.47x = 5,999,262,260,464,311
  5. Step 5: Solve for x
    x = 5,999,262,260,464,311/89,711,623.47
  6. Step 6: Final answer
    x = 66,872,742.11

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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.