Home / 65,250,019.20-90,022,989.57-36,989,362.13

Finding the Fourth Proportional to 65,250,019.20, 90,022,989.57 and 36,989,362.13

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Solution

The fourth proportional to 65,250,019.20, 90,022,989.57 and 36,989,362.13 is: 51,032,827.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,250,019.20 : 90,022,989.57 = 36,989,362.13 : x
  2. Step 2: Convert to fraction form
    65,250,019.20/90,022,989.57 = 36,989,362.13/x
  3. Step 3: Cross multiply
    65,250,019.20x = 90,022,989.57 × 36,989,362.13
  4. Step 4: Simplify right side
    65,250,019.20x = 3,329,892,960,872,301.50
  5. Step 5: Solve for x
    x = 3,329,892,960,872,301.50/65,250,019.20
  6. Step 6: Final answer
    x = 51,032,827.29

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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.