Home / 147,954,861.36-204,178,044.60-81,880,167.60

Finding the Fourth Proportional to 147,954,861.36, 204,178,044.60 and 81,880,167.60

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Solution

The fourth proportional to 147,954,861.36, 204,178,044.60 and 81,880,167.60 is: 112,994,817.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,954,861.36 : 204,178,044.60 = 81,880,167.60 : x
  2. Step 2: Convert to fraction form
    147,954,861.36/204,178,044.60 = 81,880,167.60/x
  3. Step 3: Cross multiply
    147,954,861.36x = 204,178,044.60 × 81,880,167.60
  4. Step 4: Simplify right side
    147,954,861.36x = 16,718,132,512,088,274
  5. Step 5: Solve for x
    x = 16,718,132,512,088,274/147,954,861.36
  6. Step 6: Final answer
    x = 112,994,817.19

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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.