Home / 53,675,406.35-80,513,109.53-45,361,307.15

Finding the Fourth Proportional to 53,675,406.35, 80,513,109.53 and 45,361,307.15

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Solution

The fourth proportional to 53,675,406.35, 80,513,109.53 and 45,361,307.15 is: 68,041,960.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,675,406.35 : 80,513,109.53 = 45,361,307.15 : x
  2. Step 2: Convert to fraction form
    53,675,406.35/80,513,109.53 = 45,361,307.15/x
  3. Step 3: Cross multiply
    53,675,406.35x = 80,513,109.53 × 45,361,307.15
  4. Step 4: Simplify right side
    53,675,406.35x = 3,652,179,890,765,116
  5. Step 5: Solve for x
    x = 3,652,179,890,765,116/53,675,406.35
  6. Step 6: Final answer
    x = 68,041,960.73

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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.