Home / 74,501,587.20-111,879,907.20-40,489,363.20

Finding the Fourth Proportional to 74,501,587.20, 111,879,907.20 and 40,489,363.20

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Solution

The fourth proportional to 74,501,587.20, 111,879,907.20 and 40,489,363.20 is: 60,803,351.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,501,587.20 : 111,879,907.20 = 40,489,363.20 : x
  2. Step 2: Convert to fraction form
    74,501,587.20/111,879,907.20 = 40,489,363.20/x
  3. Step 3: Cross multiply
    74,501,587.20x = 111,879,907.20 × 40,489,363.20
  4. Step 4: Simplify right side
    74,501,587.20x = 4,529,946,197,403,095
  5. Step 5: Solve for x
    x = 4,529,946,197,403,095/74,501,587.20
  6. Step 6: Final answer
    x = 60,803,351.55

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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.