Home / 92,838,413.40-139,208,631.30-31,406,458.20

Finding the Fourth Proportional to 92,838,413.40, 139,208,631.30 and 31,406,458.20

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Solution

The fourth proportional to 92,838,413.40, 139,208,631.30 and 31,406,458.20 is: 47,093,114.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,838,413.40 : 139,208,631.30 = 31,406,458.20 : x
  2. Step 2: Convert to fraction form
    92,838,413.40/139,208,631.30 = 31,406,458.20/x
  3. Step 3: Cross multiply
    92,838,413.40x = 139,208,631.30 × 31,406,458.20
  4. Step 4: Simplify right side
    92,838,413.40x = 4,372,050,060,002,662
  5. Step 5: Solve for x
    x = 4,372,050,060,002,662/92,838,413.40
  6. Step 6: Final answer
    x = 47,093,114.80

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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.