Home / 73,430,555.20-110,230,688.40-39,418,331.20

Finding the Fourth Proportional to 73,430,555.20, 110,230,688.40 and 39,418,331.20

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Solution

The fourth proportional to 73,430,555.20, 110,230,688.40 and 39,418,331.20 is: 59,173,048.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,430,555.20 : 110,230,688.40 = 39,418,331.20 : x
  2. Step 2: Convert to fraction form
    73,430,555.20/110,230,688.40 = 39,418,331.20/x
  3. Step 3: Cross multiply
    73,430,555.20x = 110,230,688.40 × 39,418,331.20
  4. Step 4: Simplify right side
    73,430,555.20x = 4,345,109,783,755,198.50
  5. Step 5: Solve for x
    x = 4,345,109,783,755,198.50/73,430,555.20
  6. Step 6: Final answer
    x = 59,173,048.22

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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.