Home / 54,988,132.62-75,875,187.56-31,778,777.37

Finding the Fourth Proportional to 54,988,132.62, 75,875,187.56 and 31,778,777.37

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Solution

The fourth proportional to 54,988,132.62, 75,875,187.56 and 31,778,777.37 is: 43,849,837.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,988,132.62 : 75,875,187.56 = 31,778,777.37 : x
  2. Step 2: Convert to fraction form
    54,988,132.62/75,875,187.56 = 31,778,777.37/x
  3. Step 3: Cross multiply
    54,988,132.62x = 75,875,187.56 × 31,778,777.37
  4. Step 4: Simplify right side
    54,988,132.62x = 2,411,220,693,217,340
  5. Step 5: Solve for x
    x = 2,411,220,693,217,340/54,988,132.62
  6. Step 6: Final answer
    x = 43,849,837.74

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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.