Home / 54,356,333.31-75,014,843.76-31,155,325.11

Finding the Fourth Proportional to 54,356,333.31, 75,014,843.76 and 31,155,325.11

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Solution

The fourth proportional to 54,356,333.31, 75,014,843.76 and 31,155,325.11 is: 42,996,127.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,356,333.31 : 75,014,843.76 = 31,155,325.11 : x
  2. Step 2: Convert to fraction form
    54,356,333.31/75,014,843.76 = 31,155,325.11/x
  3. Step 3: Cross multiply
    54,356,333.31x = 75,014,843.76 × 31,155,325.11
  4. Step 4: Simplify right side
    54,356,333.31x = 2,337,111,845,418,655
  5. Step 5: Solve for x
    x = 2,337,111,845,418,655/54,356,333.31
  6. Step 6: Final answer
    x = 42,996,127.65

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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.