Home / 247,613,241.90-370,538,064.45-215,616,557.10

Finding the Fourth Proportional to 247,613,241.90, 370,538,064.45 and 215,616,557.10

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Solution

The fourth proportional to 247,613,241.90, 370,538,064.45 and 215,616,557.10 is: 322,656,983.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,613,241.90 : 370,538,064.45 = 215,616,557.10 : x
  2. Step 2: Convert to fraction form
    247,613,241.90/370,538,064.45 = 215,616,557.10/x
  3. Step 3: Cross multiply
    247,613,241.90x = 370,538,064.45 × 215,616,557.10
  4. Step 4: Simplify right side
    247,613,241.90x = 79,894,141,731,206,896
  5. Step 5: Solve for x
    x = 79,894,141,731,206,896/247,613,241.90
  6. Step 6: Final answer
    x = 322,656,983.60

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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.