Home / 86,945,111.20-130,433,413.20-43,705,496.80

Finding the Fourth Proportional to 86,945,111.20, 130,433,413.20 and 43,705,496.80

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Solution

The fourth proportional to 86,945,111.20, 130,433,413.20 and 43,705,496.80 is: 65,566,160.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,945,111.20 : 130,433,413.20 = 43,705,496.80 : x
  2. Step 2: Convert to fraction form
    86,945,111.20/130,433,413.20 = 43,705,496.80/x
  3. Step 3: Cross multiply
    86,945,111.20x = 130,433,413.20 × 43,705,496.80
  4. Step 4: Simplify right side
    86,945,111.20x = 5,700,657,123,225,678
  5. Step 5: Solve for x
    x = 5,700,657,123,225,678/86,945,111.20
  6. Step 6: Final answer
    x = 65,566,160.59

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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.