Home / 89,711,633.48-123,802,035.08-48,458,526.26

Finding the Fourth Proportional to 89,711,633.48, 123,802,035.08 and 48,458,526.26

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Solution

The fourth proportional to 89,711,633.48, 123,802,035.08 and 48,458,526.26 is: 66,872,755.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,711,633.48 : 123,802,035.08 = 48,458,526.26 : x
  2. Step 2: Convert to fraction form
    89,711,633.48/123,802,035.08 = 48,458,526.26/x
  3. Step 3: Cross multiply
    89,711,633.48x = 123,802,035.08 × 48,458,526.26
  4. Step 4: Simplify right side
    89,711,633.48x = 5,999,264,167,965,621
  5. Step 5: Solve for x
    x = 5,999,264,167,965,621/89,711,633.48
  6. Step 6: Final answer
    x = 66,872,755.91

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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.