Home / 372,177,334.12-558,326,642.88-109,888,398.40

Finding the Fourth Proportional to 372,177,334.12, 558,326,642.88 and 109,888,398.40

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Solution

The fourth proportional to 372,177,334.12, 558,326,642.88 and 109,888,398.40 is: 164,850,502.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,177,334.12 : 558,326,642.88 = 109,888,398.40 : x
  2. Step 2: Convert to fraction form
    372,177,334.12/558,326,642.88 = 109,888,398.40/x
  3. Step 3: Cross multiply
    372,177,334.12x = 558,326,642.88 × 109,888,398.40
  4. Step 4: Simplify right side
    372,177,334.12x = 61,353,620,570,131,968
  5. Step 5: Solve for x
    x = 61,353,620,570,131,968/372,177,334.12
  6. Step 6: Final answer
    x = 164,850,502.56

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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.