Home / 65,869,483.44-90,900,420.84-36,501,306.54

Finding the Fourth Proportional to 65,869,483.44, 90,900,420.84 and 36,501,306.54

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Solution

The fourth proportional to 65,869,483.44, 90,900,420.84 and 36,501,306.54 is: 50,372,098.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,869,483.44 : 90,900,420.84 = 36,501,306.54 : x
  2. Step 2: Convert to fraction form
    65,869,483.44/90,900,420.84 = 36,501,306.54/x
  3. Step 3: Cross multiply
    65,869,483.44x = 90,900,420.84 × 36,501,306.54
  4. Step 4: Simplify right side
    65,869,483.44x = 3,317,984,125,695,844.50
  5. Step 5: Solve for x
    x = 3,317,984,125,695,844.50/65,869,483.44
  6. Step 6: Final answer
    x = 50,372,098.77

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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.