Home / 105,512,172.22-145,611,438.78-58,469,113.18

Finding the Fourth Proportional to 105,512,172.22, 145,611,438.78 and 58,469,113.18

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Solution

The fourth proportional to 105,512,172.22, 145,611,438.78 and 58,469,113.18 is: 80,689,948.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,512,172.22 : 145,611,438.78 = 58,469,113.18 : x
  2. Step 2: Convert to fraction form
    105,512,172.22/145,611,438.78 = 58,469,113.18/x
  3. Step 3: Cross multiply
    105,512,172.22x = 145,611,438.78 × 58,469,113.18
  4. Step 4: Simplify right side
    105,512,172.22x = 8,513,771,694,330,461
  5. Step 5: Solve for x
    x = 8,513,771,694,330,461/105,512,172.22
  6. Step 6: Final answer
    x = 80,689,948.04

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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.