Home / 65,781,246.16-90,777,019.57-36,411,948.64

Finding the Fourth Proportional to 65,781,246.16, 90,777,019.57 and 36,411,948.64

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Solution

The fourth proportional to 65,781,246.16, 90,777,019.57 and 36,411,948.64 is: 50,247,880.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,781,246.16 : 90,777,019.57 = 36,411,948.64 : x
  2. Step 2: Convert to fraction form
    65,781,246.16/90,777,019.57 = 36,411,948.64/x
  3. Step 3: Cross multiply
    65,781,246.16x = 90,777,019.57 × 36,411,948.64
  4. Step 4: Simplify right side
    65,781,246.16x = 3,305,368,174,275,114.50
  5. Step 5: Solve for x
    x = 3,305,368,174,275,114.50/65,781,246.16
  6. Step 6: Final answer
    x = 50,247,880.17

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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.