Home / 248,038,509.60-372,057,764.40-194,231,815.20

Finding the Fourth Proportional to 248,038,509.60, 372,057,764.40 and 194,231,815.20

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Solution

The fourth proportional to 248,038,509.60, 372,057,764.40 and 194,231,815.20 is: 291,347,722.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,038,509.60 : 372,057,764.40 = 194,231,815.20 : x
  2. Step 2: Convert to fraction form
    248,038,509.60/372,057,764.40 = 194,231,815.20/x
  3. Step 3: Cross multiply
    248,038,509.60x = 372,057,764.40 × 194,231,815.20
  4. Step 4: Simplify right side
    248,038,509.60x = 72,265,454,938,665,936
  5. Step 5: Solve for x
    x = 72,265,454,938,665,936/248,038,509.60
  6. Step 6: Final answer
    x = 291,347,722.80

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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.