Home / 64,892,348.51-89,456,034.08-49,395,441.47

Finding the Fourth Proportional to 64,892,348.51, 89,456,034.08 and 49,395,441.47

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Solution

The fourth proportional to 64,892,348.51, 89,456,034.08 and 49,395,441.47 is: 68,093,086.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,892,348.51 : 89,456,034.08 = 49,395,441.47 : x
  2. Step 2: Convert to fraction form
    64,892,348.51/89,456,034.08 = 49,395,441.47/x
  3. Step 3: Cross multiply
    64,892,348.51x = 89,456,034.08 × 49,395,441.47
  4. Step 4: Simplify right side
    64,892,348.51x = 4,418,720,295,213,174
  5. Step 5: Solve for x
    x = 4,418,720,295,213,174/64,892,348.51
  6. Step 6: Final answer
    x = 68,093,086.43

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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.