Home / 90,150,803.72-124,406,888.31-50,458,322.66

Finding the Fourth Proportional to 90,150,803.72, 124,406,888.31 and 50,458,322.66

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Solution

The fourth proportional to 90,150,803.72, 124,406,888.31 and 50,458,322.66 is: 69,631,801.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,150,803.72 : 124,406,888.31 = 50,458,322.66 : x
  2. Step 2: Convert to fraction form
    90,150,803.72/124,406,888.31 = 50,458,322.66/x
  3. Step 3: Cross multiply
    90,150,803.72x = 124,406,888.31 × 50,458,322.66
  4. Step 4: Simplify right side
    90,150,803.72x = 6,277,362,910,850,528
  5. Step 5: Solve for x
    x = 6,277,362,910,850,528/90,150,803.72
  6. Step 6: Final answer
    x = 69,631,801.96

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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.