Home / 115,182,943.20-172,774,414.80-111,994,297.20

Finding the Fourth Proportional to 115,182,943.20, 172,774,414.80 and 111,994,297.20

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Solution

The fourth proportional to 115,182,943.20, 172,774,414.80 and 111,994,297.20 is: 167,991,445.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,182,943.20 : 172,774,414.80 = 111,994,297.20 : x
  2. Step 2: Convert to fraction form
    115,182,943.20/172,774,414.80 = 111,994,297.20/x
  3. Step 3: Cross multiply
    115,182,943.20x = 172,774,414.80 × 111,994,297.20
  4. Step 4: Simplify right side
    115,182,943.20x = 19,349,749,159,667,280
  5. Step 5: Solve for x
    x = 19,349,749,159,667,280/115,182,943.20
  6. Step 6: Final answer
    x = 167,991,445.80

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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.