Home / 147,537,739.20-221,306,608.80-45,288,490.80

Finding the Fourth Proportional to 147,537,739.20, 221,306,608.80 and 45,288,490.80

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Solution

The fourth proportional to 147,537,739.20, 221,306,608.80 and 45,288,490.80 is: 67,932,736.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,537,739.20 : 221,306,608.80 = 45,288,490.80 : x
  2. Step 2: Convert to fraction form
    147,537,739.20/221,306,608.80 = 45,288,490.80/x
  3. Step 3: Cross multiply
    147,537,739.20x = 221,306,608.80 × 45,288,490.80
  4. Step 4: Simplify right side
    147,537,739.20x = 10,022,642,316,617,998
  5. Step 5: Solve for x
    x = 10,022,642,316,617,998/147,537,739.20
  6. Step 6: Final answer
    x = 67,932,736.20

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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.