Home / 325,920,729.40-488,967,699.30-141,609,117.40

Finding the Fourth Proportional to 325,920,729.40, 488,967,699.30 and 141,609,117.40

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Solution

The fourth proportional to 325,920,729.40, 488,967,699.30 and 141,609,117.40 is: 212,451,305.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,920,729.40 : 488,967,699.30 = 141,609,117.40 : x
  2. Step 2: Convert to fraction form
    325,920,729.40/488,967,699.30 = 141,609,117.40/x
  3. Step 3: Cross multiply
    325,920,729.40x = 488,967,699.30 × 141,609,117.40
  4. Step 4: Simplify right side
    325,920,729.40x = 69,242,284,334,981,600
  5. Step 5: Solve for x
    x = 69,242,284,334,981,600/325,920,729.40
  6. Step 6: Final answer
    x = 212,451,305.15

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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.