Home / 68,268,344.63-102,402,615.50-27,878,828.63

Finding the Fourth Proportional to 68,268,344.63, 102,402,615.50 and 27,878,828.63

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Solution

The fourth proportional to 68,268,344.63, 102,402,615.50 and 27,878,828.63 is: 41,818,283.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,268,344.63 : 102,402,615.50 = 27,878,828.63 : x
  2. Step 2: Convert to fraction form
    68,268,344.63/102,402,615.50 = 27,878,828.63/x
  3. Step 3: Cross multiply
    68,268,344.63x = 102,402,615.50 × 27,878,828.63
  4. Step 4: Simplify right side
    68,268,344.63x = 2,854,864,968,136,874.50
  5. Step 5: Solve for x
    x = 2,854,864,968,136,874.50/68,268,344.63
  6. Step 6: Final answer
    x = 41,818,283.19

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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.