Home / 363,338,178.30-545,014,987.47-130,184,076.78

Finding the Fourth Proportional to 363,338,178.30, 545,014,987.47 and 130,184,076.78

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Solution

The fourth proportional to 363,338,178.30, 545,014,987.47 and 130,184,076.78 is: 195,278,881.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,338,178.30 : 545,014,987.47 = 130,184,076.78 : x
  2. Step 2: Convert to fraction form
    363,338,178.30/545,014,987.47 = 130,184,076.78/x
  3. Step 3: Cross multiply
    363,338,178.30x = 545,014,987.47 × 130,184,076.78
  4. Step 4: Simplify right side
    363,338,178.30x = 70,952,272,975,045,224
  5. Step 5: Solve for x
    x = 70,952,272,975,045,224/363,338,178.30
  6. Step 6: Final answer
    x = 195,278,881.25

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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.