Home / 68,706,134.40-103,059,136.80-17,588,071.20

Finding the Fourth Proportional to 68,706,134.40, 103,059,136.80 and 17,588,071.20

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Solution

The fourth proportional to 68,706,134.40, 103,059,136.80 and 17,588,071.20 is: 26,382,090.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,706,134.40 : 103,059,136.80 = 17,588,071.20 : x
  2. Step 2: Convert to fraction form
    68,706,134.40/103,059,136.80 = 17,588,071.20/x
  3. Step 3: Cross multiply
    68,706,134.40x = 103,059,136.80 × 17,588,071.20
  4. Step 4: Simplify right side
    68,706,134.40x = 1,812,611,435,848,940
  5. Step 5: Solve for x
    x = 1,812,611,435,848,940/68,706,134.40
  6. Step 6: Final answer
    x = 26,382,090.21

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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.