Home / 56,850,128.19-78,453,413.27-30,744,646.02

Finding the Fourth Proportional to 56,850,128.19, 78,453,413.27 and 30,744,646.02

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Solution

The fourth proportional to 56,850,128.19, 78,453,413.27 and 30,744,646.02 is: 42,427,739.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,850,128.19 : 78,453,413.27 = 30,744,646.02 : x
  2. Step 2: Convert to fraction form
    56,850,128.19/78,453,413.27 = 30,744,646.02/x
  3. Step 3: Cross multiply
    56,850,128.19x = 78,453,413.27 × 30,744,646.02
  4. Step 4: Simplify right side
    56,850,128.19x = 2,412,022,420,046,920.50
  5. Step 5: Solve for x
    x = 2,412,022,420,046,920.50/56,850,128.19
  6. Step 6: Final answer
    x = 42,427,739.34

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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.