Home / 54,913,287.51-75,780,346.10-30,466,943.19

Finding the Fourth Proportional to 54,913,287.51, 75,780,346.10 and 30,466,943.19

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Solution

The fourth proportional to 54,913,287.51, 75,780,346.10 and 30,466,943.19 is: 42,044,386.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,913,287.51 : 75,780,346.10 = 30,466,943.19 : x
  2. Step 2: Convert to fraction form
    54,913,287.51/75,780,346.10 = 30,466,943.19/x
  3. Step 3: Cross multiply
    54,913,287.51x = 75,780,346.10 × 30,466,943.19
  4. Step 4: Simplify right side
    54,913,287.51x = 2,308,795,499,394,903.50
  5. Step 5: Solve for x
    x = 2,308,795,499,394,903.50/54,913,287.51
  6. Step 6: Final answer
    x = 42,044,386.78

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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.