Home / 347,728,658.10-521,592,987.15-105,360,069.30

Finding the Fourth Proportional to 347,728,658.10, 521,592,987.15 and 105,360,069.30

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Solution

The fourth proportional to 347,728,658.10, 521,592,987.15 and 105,360,069.30 is: 158,040,103.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,728,658.10 : 521,592,987.15 = 105,360,069.30 : x
  2. Step 2: Convert to fraction form
    347,728,658.10/521,592,987.15 = 105,360,069.30/x
  3. Step 3: Cross multiply
    347,728,658.10x = 521,592,987.15 × 105,360,069.30
  4. Step 4: Simplify right side
    347,728,658.10x = 54,955,073,272,518,008
  5. Step 5: Solve for x
    x = 54,955,073,272,518,008/347,728,658.10
  6. Step 6: Final answer
    x = 158,040,103.95

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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.