Home / 68,262,688.40-102,244,733.40-52,996,845.20

Finding the Fourth Proportional to 68,262,688.40, 102,244,733.40 and 52,996,845.20

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Solution

The fourth proportional to 68,262,688.40, 102,244,733.40 and 52,996,845.20 is: 79,379,356.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,262,688.40 : 102,244,733.40 = 52,996,845.20 : x
  2. Step 2: Convert to fraction form
    68,262,688.40/102,244,733.40 = 52,996,845.20/x
  3. Step 3: Cross multiply
    68,262,688.40x = 102,244,733.40 × 52,996,845.20
  4. Step 4: Simplify right side
    68,262,688.40x = 5,418,648,308,515,070
  5. Step 5: Solve for x
    x = 5,418,648,308,515,070/68,262,688.40
  6. Step 6: Final answer
    x = 79,379,356.94

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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.