Home / 206,713,212.77-310,115,220.93-61,135,424.52

Finding the Fourth Proportional to 206,713,212.77, 310,115,220.93 and 61,135,424.52

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Solution

The fourth proportional to 206,713,212.77, 310,115,220.93 and 61,135,424.52 is: 91,716,564.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,713,212.77 : 310,115,220.93 = 61,135,424.52 : x
  2. Step 2: Convert to fraction form
    206,713,212.77/310,115,220.93 = 61,135,424.52/x
  3. Step 3: Cross multiply
    206,713,212.77x = 310,115,220.93 × 61,135,424.52
  4. Step 4: Simplify right side
    206,713,212.77x = 18,959,025,681,669,140
  5. Step 5: Solve for x
    x = 18,959,025,681,669,140/206,713,212.77
  6. Step 6: Final answer
    x = 91,716,564.36

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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.