Home / 125,221,669.10-187,845,374.30-43,340,413.70

Finding the Fourth Proportional to 125,221,669.10, 187,845,374.30 and 43,340,413.70

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Solution

The fourth proportional to 125,221,669.10, 187,845,374.30 and 43,340,413.70 is: 65,015,075.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,221,669.10 : 187,845,374.30 = 43,340,413.70 : x
  2. Step 2: Convert to fraction form
    125,221,669.10/187,845,374.30 = 43,340,413.70/x
  3. Step 3: Cross multiply
    125,221,669.10x = 187,845,374.30 × 43,340,413.70
  4. Step 4: Simplify right side
    125,221,669.10x = 8,141,296,234,046,259
  5. Step 5: Solve for x
    x = 8,141,296,234,046,259/125,221,669.10
  6. Step 6: Final answer
    x = 65,015,075.21

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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.