Home / 213,081,572.10-319,622,358.15-98,290,316.10

Finding the Fourth Proportional to 213,081,572.10, 319,622,358.15 and 98,290,316.10

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Solution

The fourth proportional to 213,081,572.10, 319,622,358.15 and 98,290,316.10 is: 147,435,474.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,081,572.10 : 319,622,358.15 = 98,290,316.10 : x
  2. Step 2: Convert to fraction form
    213,081,572.10/319,622,358.15 = 98,290,316.10/x
  3. Step 3: Cross multiply
    213,081,572.10x = 319,622,358.15 × 98,290,316.10
  4. Step 4: Simplify right side
    213,081,572.10x = 31,415,782,615,190,908
  5. Step 5: Solve for x
    x = 31,415,782,615,190,908/213,081,572.10
  6. Step 6: Final answer
    x = 147,435,474.15

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.