Home / 213,081,685.10-319,622,527.65-98,290,429.10

Finding the Fourth Proportional to 213,081,685.10, 319,622,527.65 and 98,290,429.10

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Solution

The fourth proportional to 213,081,685.10, 319,622,527.65 and 98,290,429.10 is: 147,435,643.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,081,685.10 : 319,622,527.65 = 98,290,429.10 : x
  2. Step 2: Convert to fraction form
    213,081,685.10/319,622,527.65 = 98,290,429.10/x
  3. Step 3: Cross multiply
    213,081,685.10x = 319,622,527.65 × 98,290,429.10
  4. Step 4: Simplify right side
    213,081,685.10x = 31,415,835,392,745,112
  5. Step 5: Solve for x
    x = 31,415,835,392,745,112/213,081,685.10
  6. Step 6: Final answer
    x = 147,435,643.65

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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.