Home / 297,382,297.69-446,023,970.26-90,071,419.31

Finding the Fourth Proportional to 297,382,297.69, 446,023,970.26 and 90,071,419.31

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Solution

The fourth proportional to 297,382,297.69, 446,023,970.26 and 90,071,419.31 is: 135,092,143.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,382,297.69 : 446,023,970.26 = 90,071,419.31 : x
  2. Step 2: Convert to fraction form
    297,382,297.69/446,023,970.26 = 90,071,419.31/x
  3. Step 3: Cross multiply
    297,382,297.69x = 446,023,970.26 × 90,071,419.31
  4. Step 4: Simplify right side
    297,382,297.69x = 40,174,012,047,599,432
  5. Step 5: Solve for x
    x = 40,174,012,047,599,432/297,382,297.69
  6. Step 6: Final answer
    x = 135,092,143.55

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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.