Home / 89,768,557.48-134,652,836.54-69,328,091.38

Finding the Fourth Proportional to 89,768,557.48, 134,652,836.54 and 69,328,091.38

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Solution

The fourth proportional to 89,768,557.48, 134,652,836.54 and 69,328,091.38 is: 103,992,137.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,768,557.48 : 134,652,836.54 = 69,328,091.38 : x
  2. Step 2: Convert to fraction form
    89,768,557.48/134,652,836.54 = 69,328,091.38/x
  3. Step 3: Cross multiply
    89,768,557.48x = 134,652,836.54 × 69,328,091.38
  4. Step 4: Simplify right side
    89,768,557.48x = 9,335,224,156,221,322
  5. Step 5: Solve for x
    x = 9,335,224,156,221,322/89,768,557.48
  6. Step 6: Final answer
    x = 103,992,137.32

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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.