Home / 123,812,175.54-170,858,886.74-68,056,402.84

Finding the Fourth Proportional to 123,812,175.54, 170,858,886.74 and 68,056,402.84

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Solution

The fourth proportional to 123,812,175.54, 170,858,886.74 and 68,056,402.84 is: 93,916,783.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,812,175.54 : 170,858,886.74 = 68,056,402.84 : x
  2. Step 2: Convert to fraction form
    123,812,175.54/170,858,886.74 = 68,056,402.84/x
  3. Step 3: Cross multiply
    123,812,175.54x = 170,858,886.74 × 68,056,402.84
  4. Step 4: Simplify right side
    123,812,175.54x = 11,628,041,224,771,376
  5. Step 5: Solve for x
    x = 11,628,041,224,771,376/123,812,175.54
  6. Step 6: Final answer
    x = 93,916,783.01

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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.