Home / 65,869,499.03-90,900,442.28-36,501,322.14

Finding the Fourth Proportional to 65,869,499.03, 90,900,442.28 and 36,501,322.14

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Solution

The fourth proportional to 65,869,499.03, 90,900,442.28 and 36,501,322.14 is: 50,372,120.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,869,499.03 : 90,900,442.28 = 36,501,322.14 : x
  2. Step 2: Convert to fraction form
    65,869,499.03/90,900,442.28 = 36,501,322.14/x
  3. Step 3: Cross multiply
    65,869,499.03x = 90,900,442.28 × 36,501,322.14
  4. Step 4: Simplify right side
    65,869,499.03x = 3,317,986,326,422,009.50
  5. Step 5: Solve for x
    x = 3,317,986,326,422,009.50/65,869,499.03
  6. Step 6: Final answer
    x = 50,372,120.26

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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.