Home / 74,340,498.71-102,583,882.39-42,980,568.63

Finding the Fourth Proportional to 74,340,498.71, 102,583,882.39 and 42,980,568.63

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Solution

The fourth proportional to 74,340,498.71, 102,583,882.39 and 42,980,568.63 is: 59,309,712.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,340,498.71 : 102,583,882.39 = 42,980,568.63 : x
  2. Step 2: Convert to fraction form
    74,340,498.71/102,583,882.39 = 42,980,568.63/x
  3. Step 3: Cross multiply
    74,340,498.71x = 102,583,882.39 × 42,980,568.63
  4. Step 4: Simplify right side
    74,340,498.71x = 4,409,113,597,395,243.50
  5. Step 5: Solve for x
    x = 4,409,113,597,395,243.50/74,340,498.71
  6. Step 6: Final answer
    x = 59,309,712.39

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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.