Home / 68,242,637.70-102,363,956.55-52,100,117.33

Finding the Fourth Proportional to 68,242,637.70, 102,363,956.55 and 52,100,117.33

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Solution

The fourth proportional to 68,242,637.70, 102,363,956.55 and 52,100,117.33 is: 78,150,175.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,242,637.70 : 102,363,956.55 = 52,100,117.33 : x
  2. Step 2: Convert to fraction form
    68,242,637.70/102,363,956.55 = 52,100,117.33/x
  3. Step 3: Cross multiply
    68,242,637.70x = 102,363,956.55 × 52,100,117.33
  4. Step 4: Simplify right side
    68,242,637.70x = 5,333,174,146,106,202
  5. Step 5: Solve for x
    x = 5,333,174,146,106,202/68,242,637.70
  6. Step 6: Final answer
    x = 78,150,175.99

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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.