Home / 45,715,873.87-68,580,503.04-21,457,264.87

Finding the Fourth Proportional to 45,715,873.87, 68,580,503.04 and 21,457,264.87

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Solution

The fourth proportional to 45,715,873.87, 68,580,503.04 and 21,457,264.87 is: 32,189,038.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,715,873.87 : 68,580,503.04 = 21,457,264.87 : x
  2. Step 2: Convert to fraction form
    45,715,873.87/68,580,503.04 = 21,457,264.87/x
  3. Step 3: Cross multiply
    45,715,873.87x = 68,580,503.04 × 21,457,264.87
  4. Step 4: Simplify right side
    45,715,873.87x = 1,471,550,018,813,310.75
  5. Step 5: Solve for x
    x = 1,471,550,018,813,310.75/45,715,873.87
  6. Step 6: Final answer
    x = 32,189,038.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.