Home / 165,763,806.10-248,645,709.15-56,552,680.60

Finding the Fourth Proportional to 165,763,806.10, 248,645,709.15 and 56,552,680.60

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Solution

The fourth proportional to 165,763,806.10, 248,645,709.15 and 56,552,680.60 is: 84,829,020.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,763,806.10 : 248,645,709.15 = 56,552,680.60 : x
  2. Step 2: Convert to fraction form
    165,763,806.10/248,645,709.15 = 56,552,680.60/x
  3. Step 3: Cross multiply
    165,763,806.10x = 248,645,709.15 × 56,552,680.60
  4. Step 4: Simplify right side
    165,763,806.10x = 14,061,581,372,120,448
  5. Step 5: Solve for x
    x = 14,061,581,372,120,448/165,763,806.10
  6. Step 6: Final answer
    x = 84,829,020.90

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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.