Home / 263,835,397.43-395,813,895.66-91,312,212.95

Finding the Fourth Proportional to 263,835,397.43, 395,813,895.66 and 91,312,212.95

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Solution

The fourth proportional to 263,835,397.43, 395,813,895.66 and 91,312,212.95 is: 136,989,361.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,835,397.43 : 395,813,895.66 = 91,312,212.95 : x
  2. Step 2: Convert to fraction form
    263,835,397.43/395,813,895.66 = 91,312,212.95/x
  3. Step 3: Cross multiply
    263,835,397.43x = 395,813,895.66 × 91,312,212.95
  4. Step 4: Simplify right side
    263,835,397.43x = 36,142,642,729,075,008
  5. Step 5: Solve for x
    x = 36,142,642,729,075,008/263,835,397.43
  6. Step 6: Final answer
    x = 136,989,361.86

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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.