Home / 71,109,803.04-98,139,492.16-40,171,965.23

Finding the Fourth Proportional to 71,109,803.04, 98,139,492.16 and 40,171,965.23

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Solution

The fourth proportional to 71,109,803.04, 98,139,492.16 and 40,171,965.23 is: 55,441,811.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,109,803.04 : 98,139,492.16 = 40,171,965.23 : x
  2. Step 2: Convert to fraction form
    71,109,803.04/98,139,492.16 = 40,171,965.23/x
  3. Step 3: Cross multiply
    71,109,803.04x = 98,139,492.16 × 40,171,965.23
  4. Step 4: Simplify right side
    71,109,803.04x = 3,942,456,266,741,377
  5. Step 5: Solve for x
    x = 3,942,456,266,741,377/71,109,803.04
  6. Step 6: Final answer
    x = 55,441,811.09

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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.