Home / 215,262,182.44-297,071,470.86-121,208,672.80

Finding the Fourth Proportional to 215,262,182.44, 297,071,470.86 and 121,208,672.80

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Solution

The fourth proportional to 215,262,182.44, 297,071,470.86 and 121,208,672.80 is: 167,273,407.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,262,182.44 : 297,071,470.86 = 121,208,672.80 : x
  2. Step 2: Convert to fraction form
    215,262,182.44/297,071,470.86 = 121,208,672.80/x
  3. Step 3: Cross multiply
    215,262,182.44x = 297,071,470.86 × 121,208,672.80
  4. Step 4: Simplify right side
    215,262,182.44x = 36,007,638,709,684,476
  5. Step 5: Solve for x
    x = 36,007,638,709,684,476/215,262,182.44
  6. Step 6: Final answer
    x = 167,273,407.25

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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.