Home / 138,827,559.66-208,199,413.89-41,757,498.78

Finding the Fourth Proportional to 138,827,559.66, 208,199,413.89 and 41,757,498.78

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Solution

The fourth proportional to 138,827,559.66, 208,199,413.89 and 41,757,498.78 is: 62,623,637.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,827,559.66 : 208,199,413.89 = 41,757,498.78 : x
  2. Step 2: Convert to fraction form
    138,827,559.66/208,199,413.89 = 41,757,498.78/x
  3. Step 3: Cross multiply
    138,827,559.66x = 208,199,413.89 × 41,757,498.78
  4. Step 4: Simplify right side
    138,827,559.66x = 8,693,886,771,508,390
  5. Step 5: Solve for x
    x = 8,693,886,771,508,390/138,827,559.66
  6. Step 6: Final answer
    x = 62,623,637.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.