Home / 191,387,245.80-287,052,875.10-55,058,413.80

Finding the Fourth Proportional to 191,387,245.80, 287,052,875.10 and 55,058,413.80

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Solution

The fourth proportional to 191,387,245.80, 287,052,875.10 and 55,058,413.80 is: 82,579,567.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,387,245.80 : 287,052,875.10 = 55,058,413.80 : x
  2. Step 2: Convert to fraction form
    191,387,245.80/287,052,875.10 = 55,058,413.80/x
  3. Step 3: Cross multiply
    191,387,245.80x = 287,052,875.10 × 55,058,413.80
  4. Step 4: Simplify right side
    191,387,245.80x = 15,804,675,979,735,516
  5. Step 5: Solve for x
    x = 15,804,675,979,735,516/191,387,245.80
  6. Step 6: Final answer
    x = 82,579,567.48

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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.