Home / 372,216,712.80-558,346,064.40-113,440,375.20

Finding the Fourth Proportional to 372,216,712.80, 558,346,064.40 and 113,440,375.20

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Solution

The fourth proportional to 372,216,712.80, 558,346,064.40 and 113,440,375.20 is: 170,166,961.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,216,712.80 : 558,346,064.40 = 113,440,375.20 : x
  2. Step 2: Convert to fraction form
    372,216,712.80/558,346,064.40 = 113,440,375.20/x
  3. Step 3: Cross multiply
    372,216,712.80x = 558,346,064.40 × 113,440,375.20
  4. Step 4: Simplify right side
    372,216,712.80x = 63,338,987,036,979,360
  5. Step 5: Solve for x
    x = 63,338,987,036,979,360/372,216,712.80
  6. Step 6: Final answer
    x = 170,166,961.50

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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.