Home / 65,781,027.84-90,776,719.08-36,411,730.32

Finding the Fourth Proportional to 65,781,027.84, 90,776,719.08 and 36,411,730.32

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Solution

The fourth proportional to 65,781,027.84, 90,776,719.08 and 36,411,730.32 is: 50,247,579.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,781,027.84 : 90,776,719.08 = 36,411,730.32 : x
  2. Step 2: Convert to fraction form
    65,781,027.84/90,776,719.08 = 36,411,730.32/x
  3. Step 3: Cross multiply
    65,781,027.84x = 90,776,719.08 × 36,411,730.32
  4. Step 4: Simplify right side
    65,781,027.84x = 3,305,337,414,475,358.50
  5. Step 5: Solve for x
    x = 3,305,337,414,475,358.50/65,781,027.84
  6. Step 6: Final answer
    x = 50,247,579.33

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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.