Home / 263,835,396.43-395,813,894.16-91,312,211.95

Finding the Fourth Proportional to 263,835,396.43, 395,813,894.16 and 91,312,211.95

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Solution

The fourth proportional to 263,835,396.43, 395,813,894.16 and 91,312,211.95 is: 136,989,360.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,835,396.43 : 395,813,894.16 = 91,312,211.95 : x
  2. Step 2: Convert to fraction form
    263,835,396.43/395,813,894.16 = 91,312,211.95/x
  3. Step 3: Cross multiply
    263,835,396.43x = 395,813,894.16 × 91,312,211.95
  4. Step 4: Simplify right side
    263,835,396.43x = 36,142,642,196,292,792
  5. Step 5: Solve for x
    x = 36,142,642,196,292,792/263,835,396.43
  6. Step 6: Final answer
    x = 136,989,360.36

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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.