Home / 74,578,508.19-102,923,513.06-45,211,078.53

Finding the Fourth Proportional to 74,578,508.19, 102,923,513.06 and 45,211,078.53

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Solution

The fourth proportional to 74,578,508.19, 102,923,513.06 and 45,211,078.53 is: 62,394,423.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,578,508.19 : 102,923,513.06 = 45,211,078.53 : x
  2. Step 2: Convert to fraction form
    74,578,508.19/102,923,513.06 = 45,211,078.53/x
  3. Step 3: Cross multiply
    74,578,508.19x = 102,923,513.06 × 45,211,078.53
  4. Step 4: Simplify right side
    74,578,508.19x = 4,653,283,031,313,086
  5. Step 5: Solve for x
    x = 4,653,283,031,313,086/74,578,508.19
  6. Step 6: Final answer
    x = 62,394,423.60

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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.