Home / 80,880,143.40-121,320,215.10-23,374,290.60

Finding the Fourth Proportional to 80,880,143.40, 121,320,215.10 and 23,374,290.60

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Solution

The fourth proportional to 80,880,143.40, 121,320,215.10 and 23,374,290.60 is: 35,061,435.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,880,143.40 : 121,320,215.10 = 23,374,290.60 : x
  2. Step 2: Convert to fraction form
    80,880,143.40/121,320,215.10 = 23,374,290.60/x
  3. Step 3: Cross multiply
    80,880,143.40x = 121,320,215.10 × 23,374,290.60
  4. Step 4: Simplify right side
    80,880,143.40x = 2,835,773,963,401,908
  5. Step 5: Solve for x
    x = 2,835,773,963,401,908/80,880,143.40
  6. Step 6: Final answer
    x = 35,061,435.90

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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.