Home / 215,100,720,418.80-296,865,023,639.74-122,424,107,895.26

Finding the Fourth Proportional to 215,100,720,418.80, 296,865,023,639.74 and 122,424,107,895.26

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Solution

The fourth proportional to 215,100,720,418.80, 296,865,023,639.74 and 122,424,107,895.26 is: 168,960,083,507.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,100,720,418.80 : 296,865,023,639.74 = 122,424,107,895.26 : x
  2. Step 2: Convert to fraction form
    215,100,720,418.80/296,865,023,639.74 = 122,424,107,895.26/x
  3. Step 3: Cross multiply
    215,100,720,418.80x = 296,865,023,639.74 × 122,424,107,895.26
  4. Step 4: Simplify right side
    215,100,720,418.80x = 36,343,435,684,400,437,657,600
  5. Step 5: Solve for x
    x = 36,343,435,684,400,437,657,600/215,100,720,418.80
  6. Step 6: Final answer
    x = 168,960,083,507.11

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.