Home / 325,970,362.40-488,955,543.60-83,633,266.40

Finding the Fourth Proportional to 325,970,362.40, 488,955,543.60 and 83,633,266.40

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Solution

The fourth proportional to 325,970,362.40, 488,955,543.60 and 83,633,266.40 is: 125,449,899.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,970,362.40 : 488,955,543.60 = 83,633,266.40 : x
  2. Step 2: Convert to fraction form
    325,970,362.40/488,955,543.60 = 83,633,266.40/x
  3. Step 3: Cross multiply
    325,970,362.40x = 488,955,543.60 × 83,633,266.40
  4. Step 4: Simplify right side
    325,970,362.40x = 40,892,949,235,655,616
  5. Step 5: Solve for x
    x = 40,892,949,235,655,616/325,970,362.40
  6. Step 6: Final answer
    x = 125,449,899.60

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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.