Home / 71,718,625.49-98,976,372.41-40,781,671.25

Finding the Fourth Proportional to 71,718,625.49, 98,976,372.41 and 40,781,671.25

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Solution

The fourth proportional to 71,718,625.49, 98,976,372.41 and 40,781,671.25 is: 56,281,361.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,718,625.49 : 98,976,372.41 = 40,781,671.25 : x
  2. Step 2: Convert to fraction form
    71,718,625.49/98,976,372.41 = 40,781,671.25/x
  3. Step 3: Cross multiply
    71,718,625.49x = 98,976,372.41 × 40,781,671.25
  4. Step 4: Simplify right side
    71,718,625.49x = 4,036,421,880,938,282
  5. Step 5: Solve for x
    x = 4,036,421,880,938,282/71,718,625.49
  6. Step 6: Final answer
    x = 56,281,361.41

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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.