Home / 71,285,523.49-98,357,162.05-40,345,692.77

Finding the Fourth Proportional to 71,285,523.49, 98,357,162.05 and 40,345,692.77

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Solution

The fourth proportional to 71,285,523.49, 98,357,162.05 and 40,345,692.77 is: 55,667,513.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,285,523.49 : 98,357,162.05 = 40,345,692.77 : x
  2. Step 2: Convert to fraction form
    71,285,523.49/98,357,162.05 = 40,345,692.77/x
  3. Step 3: Cross multiply
    71,285,523.49x = 98,357,162.05 × 40,345,692.77
  4. Step 4: Simplify right side
    71,285,523.49x = 3,968,287,842,094,728.50
  5. Step 5: Solve for x
    x = 3,968,287,842,094,728.50/71,285,523.49
  6. Step 6: Final answer
    x = 55,667,513.51

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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.