Home / 56,438,275.40-84,657,413.10-18,103,664.60

Finding the Fourth Proportional to 56,438,275.40, 84,657,413.10 and 18,103,664.60

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Solution

The fourth proportional to 56,438,275.40, 84,657,413.10 and 18,103,664.60 is: 27,155,496.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,438,275.40 : 84,657,413.10 = 18,103,664.60 : x
  2. Step 2: Convert to fraction form
    56,438,275.40/84,657,413.10 = 18,103,664.60/x
  3. Step 3: Cross multiply
    56,438,275.40x = 84,657,413.10 × 18,103,664.60
  4. Step 4: Simplify right side
    56,438,275.40x = 1,532,609,412,666,046.25
  5. Step 5: Solve for x
    x = 1,532,609,412,666,046.25/56,438,275.40
  6. Step 6: Final answer
    x = 27,155,496.90

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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.