Home / 78,040,618.93-107,702,667.61-43,244,224.21

Finding the Fourth Proportional to 78,040,618.93, 107,702,667.61 and 43,244,224.21

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Solution

The fourth proportional to 78,040,618.93, 107,702,667.61 and 43,244,224.21 is: 59,680,694.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,040,618.93 : 107,702,667.61 = 43,244,224.21 : x
  2. Step 2: Convert to fraction form
    78,040,618.93/107,702,667.61 = 43,244,224.21/x
  3. Step 3: Cross multiply
    78,040,618.93x = 107,702,667.61 × 43,244,224.21
  4. Step 4: Simplify right side
    78,040,618.93x = 4,657,518,306,411,495
  5. Step 5: Solve for x
    x = 4,657,518,306,411,495/78,040,618.93
  6. Step 6: Final answer
    x = 59,680,694.11

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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.