Home / 291,261,194.80-436,891,792.20-118,643,909.20

Finding the Fourth Proportional to 291,261,194.80, 436,891,792.20 and 118,643,909.20

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Solution

The fourth proportional to 291,261,194.80, 436,891,792.20 and 118,643,909.20 is: 177,965,863.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,261,194.80 : 436,891,792.20 = 118,643,909.20 : x
  2. Step 2: Convert to fraction form
    291,261,194.80/436,891,792.20 = 118,643,909.20/x
  3. Step 3: Cross multiply
    291,261,194.80x = 436,891,792.20 × 118,643,909.20
  4. Step 4: Simplify right side
    291,261,194.80x = 51,834,550,124,002,072
  5. Step 5: Solve for x
    x = 51,834,550,124,002,072/291,261,194.80
  6. Step 6: Final answer
    x = 177,965,863.80

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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.