Home / 78,380,637.96-108,005,899.51-60,631,759.14

Finding the Fourth Proportional to 78,380,637.96, 108,005,899.51 and 60,631,759.14

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Solution

The fourth proportional to 78,380,637.96, 108,005,899.51 and 60,631,759.14 is: 83,548,537.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,380,637.96 : 108,005,899.51 = 60,631,759.14 : x
  2. Step 2: Convert to fraction form
    78,380,637.96/108,005,899.51 = 60,631,759.14/x
  3. Step 3: Cross multiply
    78,380,637.96x = 108,005,899.51 × 60,631,759.14
  4. Step 4: Simplify right side
    78,380,637.96x = 6,548,587,684,789,364
  5. Step 5: Solve for x
    x = 6,548,587,684,789,364/78,380,637.96
  6. Step 6: Final answer
    x = 83,548,537.69

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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.