Home / 54,645,407.18-81,968,463.09-21,858,715.10

Finding the Fourth Proportional to 54,645,407.18, 81,968,463.09 and 21,858,715.10

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Solution

The fourth proportional to 54,645,407.18, 81,968,463.09 and 21,858,715.10 is: 32,788,213.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,645,407.18 : 81,968,463.09 = 21,858,715.10 : x
  2. Step 2: Convert to fraction form
    54,645,407.18/81,968,463.09 = 21,858,715.10/x
  3. Step 3: Cross multiply
    54,645,407.18x = 81,968,463.09 × 21,858,715.10
  4. Step 4: Simplify right side
    54,645,407.18x = 1,791,725,281,869,175.75
  5. Step 5: Solve for x
    x = 1,791,725,281,869,175.75/54,645,407.18
  6. Step 6: Final answer
    x = 32,788,213.58

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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.