Home / 71,109,803.17-98,139,492.33-40,171,965.35

Finding the Fourth Proportional to 71,109,803.17, 98,139,492.33 and 40,171,965.35

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Solution

The fourth proportional to 71,109,803.17, 98,139,492.33 and 40,171,965.35 is: 55,441,811.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,109,803.17 : 98,139,492.33 = 40,171,965.35 : x
  2. Step 2: Convert to fraction form
    71,109,803.17/98,139,492.33 = 40,171,965.35/x
  3. Step 3: Cross multiply
    71,109,803.17x = 98,139,492.33 × 40,171,965.35
  4. Step 4: Simplify right side
    71,109,803.17x = 3,942,456,285,371,006.50
  5. Step 5: Solve for x
    x = 3,942,456,285,371,006.50/71,109,803.17
  6. Step 6: Final answer
    x = 55,441,811.25

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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.