Home / 65,680,840.38-90,624,492.99-39,214,037.46

Finding the Fourth Proportional to 65,680,840.38, 90,624,492.99 and 39,214,037.46

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Solution

The fourth proportional to 65,680,840.38, 90,624,492.99 and 39,214,037.46 is: 54,106,376.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,680,840.38 : 90,624,492.99 = 39,214,037.46 : x
  2. Step 2: Convert to fraction form
    65,680,840.38/90,624,492.99 = 39,214,037.46/x
  3. Step 3: Cross multiply
    65,680,840.38x = 90,624,492.99 × 39,214,037.46
  4. Step 4: Simplify right side
    65,680,840.38x = 3,553,752,262,903,367.50
  5. Step 5: Solve for x
    x = 3,553,752,262,903,367.50/65,680,840.38
  6. Step 6: Final answer
    x = 54,106,376.26

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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.