Home / 372,276,758.90-558,415,138.35-99,647,525.90

Finding the Fourth Proportional to 372,276,758.90, 558,415,138.35 and 99,647,525.90

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Solution

The fourth proportional to 372,276,758.90, 558,415,138.35 and 99,647,525.90 is: 149,471,288.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,276,758.90 : 558,415,138.35 = 99,647,525.90 : x
  2. Step 2: Convert to fraction form
    372,276,758.90/558,415,138.35 = 99,647,525.90/x
  3. Step 3: Cross multiply
    372,276,758.90x = 558,415,138.35 × 99,647,525.90
  4. Step 4: Simplify right side
    372,276,758.90x = 55,644,686,961,683,712
  5. Step 5: Solve for x
    x = 55,644,686,961,683,712/372,276,758.90
  6. Step 6: Final answer
    x = 149,471,288.85

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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.