Home / 325,915,730.10-488,705,633.55-121,338,501.30

Finding the Fourth Proportional to 325,915,730.10, 488,705,633.55 and 121,338,501.30

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Solution

The fourth proportional to 325,915,730.10, 488,705,633.55 and 121,338,501.30 is: 181,945,219.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,915,730.10 : 488,705,633.55 = 121,338,501.30 : x
  2. Step 2: Convert to fraction form
    325,915,730.10/488,705,633.55 = 121,338,501.30/x
  3. Step 3: Cross multiply
    325,915,730.10x = 488,705,633.55 × 121,338,501.30
  4. Step 4: Simplify right side
    325,915,730.10x = 59,298,809,151,824,000
  5. Step 5: Solve for x
    x = 59,298,809,151,824,000/325,915,730.10
  6. Step 6: Final answer
    x = 181,945,219.81

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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.