Home / 68,167,712,680.40-102,251,569,020.60-51,637,771,816.40

Finding the Fourth Proportional to 68,167,712,680.40, 102,251,569,020.60 and 51,637,771,816.40

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Solution

The fourth proportional to 68,167,712,680.40, 102,251,569,020.60 and 51,637,771,816.40 is: 77,456,657,724.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,167,712,680.40 : 102,251,569,020.60 = 51,637,771,816.40 : x
  2. Step 2: Convert to fraction form
    68,167,712,680.40/102,251,569,020.60 = 51,637,771,816.40/x
  3. Step 3: Cross multiply
    68,167,712,680.40x = 102,251,569,020.60 × 51,637,771,816.40
  4. Step 4: Simplify right side
    68,167,712,680.40x = 5,280,043,188,954,618,396,672
  5. Step 5: Solve for x
    x = 5,280,043,188,954,618,396,672/68,167,712,680.40
  6. Step 6: Final answer
    x = 77,456,657,724.60

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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.