Home / 54,551,631.48-75,283,007.90-31,029,564.95

Finding the Fourth Proportional to 54,551,631.48, 75,283,007.90 and 31,029,564.95

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Solution

The fourth proportional to 54,551,631.48, 75,283,007.90 and 31,029,564.95 is: 42,821,798.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,551,631.48 : 75,283,007.90 = 31,029,564.95 : x
  2. Step 2: Convert to fraction form
    54,551,631.48/75,283,007.90 = 31,029,564.95/x
  3. Step 3: Cross multiply
    54,551,631.48x = 75,283,007.90 × 31,029,564.95
  4. Step 4: Simplify right side
    54,551,631.48x = 2,335,998,983,189,672
  5. Step 5: Solve for x
    x = 2,335,998,983,189,672/54,551,631.48
  6. Step 6: Final answer
    x = 42,821,798.72

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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.