Home / 212,487,092-293,224,445.32-118,396,377.44

Finding the Fourth Proportional to 212,487,092, 293,224,445.32 and 118,396,377.44

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Solution

The fourth proportional to 212,487,092, 293,224,445.32 and 118,396,377.44 is: 163,382,687.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,487,092 : 293,224,445.32 = 118,396,377.44 : x
  2. Step 2: Convert to fraction form
    212,487,092/293,224,445.32 = 118,396,377.44/x
  3. Step 3: Cross multiply
    212,487,092x = 293,224,445.32 × 118,396,377.44
  4. Step 4: Simplify right side
    212,487,092x = 34,716,712,102,741,360
  5. Step 5: Solve for x
    x = 34,716,712,102,741,360/212,487,092
  6. Step 6: Final answer
    x = 163,382,687.28

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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.