Home / 65,781,028.34-90,776,719.77-36,411,730.82

Finding the Fourth Proportional to 65,781,028.34, 90,776,719.77 and 36,411,730.82

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Solution

The fourth proportional to 65,781,028.34, 90,776,719.77 and 36,411,730.82 is: 50,247,580.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,781,028.34 : 90,776,719.77 = 36,411,730.82 : x
  2. Step 2: Convert to fraction form
    65,781,028.34/90,776,719.77 = 36,411,730.82/x
  3. Step 3: Cross multiply
    65,781,028.34x = 90,776,719.77 × 36,411,730.82
  4. Step 4: Simplify right side
    65,781,028.34x = 3,305,337,484,987,812
  5. Step 5: Solve for x
    x = 3,305,337,484,987,812/65,781,028.34
  6. Step 6: Final answer
    x = 50,247,580.02

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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.