Home / 193,845,817.85-267,508,937.48-105,740,207.06

Finding the Fourth Proportional to 193,845,817.85, 267,508,937.48 and 105,740,207.06

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Solution

The fourth proportional to 193,845,817.85, 267,508,937.48 and 105,740,207.06 is: 145,922,417.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,845,817.85 : 267,508,937.48 = 105,740,207.06 : x
  2. Step 2: Convert to fraction form
    193,845,817.85/267,508,937.48 = 105,740,207.06/x
  3. Step 3: Cross multiply
    193,845,817.85x = 267,508,937.48 × 105,740,207.06
  4. Step 4: Simplify right side
    193,845,817.85x = 28,286,450,437,669,552
  5. Step 5: Solve for x
    x = 28,286,450,437,669,552/193,845,817.85
  6. Step 6: Final answer
    x = 145,922,417.89

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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.