Home / 80,702,599.73-111,360,390.74-45,413,588.72

Finding the Fourth Proportional to 80,702,599.73, 111,360,390.74 and 45,413,588.72

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Solution

The fourth proportional to 80,702,599.73, 111,360,390.74 and 45,413,588.72 is: 62,665,577.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,702,599.73 : 111,360,390.74 = 45,413,588.72 : x
  2. Step 2: Convert to fraction form
    80,702,599.73/111,360,390.74 = 45,413,588.72/x
  3. Step 3: Cross multiply
    80,702,599.73x = 111,360,390.74 × 45,413,588.72
  4. Step 4: Simplify right side
    80,702,599.73x = 5,057,274,984,986,490
  5. Step 5: Solve for x
    x = 5,057,274,984,986,490/80,702,599.73
  6. Step 6: Final answer
    x = 62,665,577.10

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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.