Home / 99,714,007.20-149,571,010.80-31,562,032.80

Finding the Fourth Proportional to 99,714,007.20, 149,571,010.80 and 31,562,032.80

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Solution

The fourth proportional to 99,714,007.20, 149,571,010.80 and 31,562,032.80 is: 47,343,049.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,714,007.20 : 149,571,010.80 = 31,562,032.80 : x
  2. Step 2: Convert to fraction form
    99,714,007.20/149,571,010.80 = 31,562,032.80/x
  3. Step 3: Cross multiply
    99,714,007.20x = 149,571,010.80 × 31,562,032.80
  4. Step 4: Simplify right side
    99,714,007.20x = 4,720,765,148,798,755
  5. Step 5: Solve for x
    x = 4,720,765,148,798,755/99,714,007.20
  6. Step 6: Final answer
    x = 47,343,049.20

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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.