Home / 65,869,349.67-90,900,244.10-36,501,172.70

Finding the Fourth Proportional to 65,869,349.67, 90,900,244.10 and 36,501,172.70

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Solution

The fourth proportional to 65,869,349.67, 90,900,244.10 and 36,501,172.70 is: 50,371,918.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,869,349.67 : 90,900,244.10 = 36,501,172.70 : x
  2. Step 2: Convert to fraction form
    65,869,349.67/90,900,244.10 = 36,501,172.70/x
  3. Step 3: Cross multiply
    65,869,349.67x = 90,900,244.10 × 36,501,172.70
  4. Step 4: Simplify right side
    65,869,349.67x = 3,317,965,508,003,008
  5. Step 5: Solve for x
    x = 3,317,965,508,003,008/65,869,349.67
  6. Step 6: Final answer
    x = 50,371,918.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.