Home / 49,957,313.47-68,902,921.78-42,999,643.61

Finding the Fourth Proportional to 49,957,313.47, 68,902,921.78 and 42,999,643.61

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Solution

The fourth proportional to 49,957,313.47, 68,902,921.78 and 42,999,643.61 is: 59,306,653.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,957,313.47 : 68,902,921.78 = 42,999,643.61 : x
  2. Step 2: Convert to fraction form
    49,957,313.47/68,902,921.78 = 42,999,643.61/x
  3. Step 3: Cross multiply
    49,957,313.47x = 68,902,921.78 × 42,999,643.61
  4. Step 4: Simplify right side
    49,957,313.47x = 2,962,801,080,227,707
  5. Step 5: Solve for x
    x = 2,962,801,080,227,707/49,957,313.47
  6. Step 6: Final answer
    x = 59,306,653.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.