Home / 114,970,293.20-172,455,439.80-103,632,885.20

Finding the Fourth Proportional to 114,970,293.20, 172,455,439.80 and 103,632,885.20

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Solution

The fourth proportional to 114,970,293.20, 172,455,439.80 and 103,632,885.20 is: 155,449,327.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,970,293.20 : 172,455,439.80 = 103,632,885.20 : x
  2. Step 2: Convert to fraction form
    114,970,293.20/172,455,439.80 = 103,632,885.20/x
  3. Step 3: Cross multiply
    114,970,293.20x = 172,455,439.80 × 103,632,885.20
  4. Step 4: Simplify right side
    114,970,293.20x = 17,872,054,794,908,912
  5. Step 5: Solve for x
    x = 17,872,054,794,908,912/114,970,293.20
  6. Step 6: Final answer
    x = 155,449,327.80

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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.