Home / 193,724,667.72-267,339,853.35-105,618,642.21

Finding the Fourth Proportional to 193,724,667.72, 267,339,853.35 and 105,618,642.21

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Solution

The fourth proportional to 193,724,667.72, 267,339,853.35 and 105,618,642.21 is: 145,753,623.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,724,667.72 : 267,339,853.35 = 105,618,642.21 : x
  2. Step 2: Convert to fraction form
    193,724,667.72/267,339,853.35 = 105,618,642.21/x
  3. Step 3: Cross multiply
    193,724,667.72x = 267,339,853.35 × 105,618,642.21
  4. Step 4: Simplify right side
    193,724,667.72x = 28,236,072,319,447,516
  5. Step 5: Solve for x
    x = 28,236,072,319,447,516/193,724,667.72
  6. Step 6: Final answer
    x = 145,753,623.70

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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.