Home / 212,960,759.04-293,885,845.20-115,175,615.04

Finding the Fourth Proportional to 212,960,759.04, 293,885,845.20 and 115,175,615.04

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Solution

The fourth proportional to 212,960,759.04, 293,885,845.20 and 115,175,615.04 is: 158,942,347.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,960,759.04 : 293,885,845.20 = 115,175,615.04 : x
  2. Step 2: Convert to fraction form
    212,960,759.04/293,885,845.20 = 115,175,615.04/x
  3. Step 3: Cross multiply
    212,960,759.04x = 293,885,845.20 × 115,175,615.04
  4. Step 4: Simplify right side
    212,960,759.04x = 33,848,482,972,460,232
  5. Step 5: Solve for x
    x = 33,848,482,972,460,232/212,960,759.04
  6. Step 6: Final answer
    x = 158,942,347.52

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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.