Home / 65,440,440.50-90,311,848.37-36,071,706.92

Finding the Fourth Proportional to 65,440,440.50, 90,311,848.37 and 36,071,706.92

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Solution

The fourth proportional to 65,440,440.50, 90,311,848.37 and 36,071,706.92 is: 49,781,182.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,440,440.50 : 90,311,848.37 = 36,071,706.92 : x
  2. Step 2: Convert to fraction form
    65,440,440.50/90,311,848.37 = 36,071,706.92/x
  3. Step 3: Cross multiply
    65,440,440.50x = 90,311,848.37 × 36,071,706.92
  4. Step 4: Simplify right side
    65,440,440.50x = 3,257,702,525,174,201.50
  5. Step 5: Solve for x
    x = 3,257,702,525,174,201.50/65,440,440.50
  6. Step 6: Final answer
    x = 49,781,182.71

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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.