Home / 81,082,549.40-121,644,555.62-23,574,820.32

Finding the Fourth Proportional to 81,082,549.40, 121,644,555.62 and 23,574,820.32

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Solution

The fourth proportional to 81,082,549.40, 121,644,555.62 and 23,574,820.32 is: 35,368,258.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,082,549.40 : 121,644,555.62 = 23,574,820.32 : x
  2. Step 2: Convert to fraction form
    81,082,549.40/121,644,555.62 = 23,574,820.32/x
  3. Step 3: Cross multiply
    81,082,549.40x = 121,644,555.62 × 23,574,820.32
  4. Step 4: Simplify right side
    81,082,549.40x = 2,867,748,541,529,872
  5. Step 5: Solve for x
    x = 2,867,748,541,529,872/81,082,549.40
  6. Step 6: Final answer
    x = 35,368,258.19

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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.