Home / 118,350,895.86-163,310,091.42-65,420,453.43

Finding the Fourth Proportional to 118,350,895.86, 163,310,091.42 and 65,420,453.43

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Solution

The fourth proportional to 118,350,895.86, 163,310,091.42 and 65,420,453.43 is: 90,272,406.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,350,895.86 : 163,310,091.42 = 65,420,453.43 : x
  2. Step 2: Convert to fraction form
    118,350,895.86/163,310,091.42 = 65,420,453.43/x
  3. Step 3: Cross multiply
    118,350,895.86x = 163,310,091.42 × 65,420,453.43
  4. Step 4: Simplify right side
    118,350,895.86x = 10,683,820,230,391,152
  5. Step 5: Solve for x
    x = 10,683,820,230,391,152/118,350,895.86
  6. Step 6: Final answer
    x = 90,272,406.92

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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.