Home / 213,081,501.60-319,622,252.40-98,290,245.60

Finding the Fourth Proportional to 213,081,501.60, 319,622,252.40 and 98,290,245.60

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Solution

The fourth proportional to 213,081,501.60, 319,622,252.40 and 98,290,245.60 is: 147,435,368.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,081,501.60 : 319,622,252.40 = 98,290,245.60 : x
  2. Step 2: Convert to fraction form
    213,081,501.60/319,622,252.40 = 98,290,245.60/x
  3. Step 3: Cross multiply
    213,081,501.60x = 319,622,252.40 × 98,290,245.60
  4. Step 4: Simplify right side
    213,081,501.60x = 31,415,749,687,621,184
  5. Step 5: Solve for x
    x = 31,415,749,687,621,184/213,081,501.60
  6. Step 6: Final answer
    x = 147,435,368.40

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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.