Home / 73,123,350.40-109,685,025.60-18,535,830.40

Finding the Fourth Proportional to 73,123,350.40, 109,685,025.60 and 18,535,830.40

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Solution

The fourth proportional to 73,123,350.40, 109,685,025.60 and 18,535,830.40 is: 27,803,745.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,123,350.40 : 109,685,025.60 = 18,535,830.40 : x
  2. Step 2: Convert to fraction form
    73,123,350.40/109,685,025.60 = 18,535,830.40/x
  3. Step 3: Cross multiply
    73,123,350.40x = 109,685,025.60 × 18,535,830.40
  4. Step 4: Simplify right side
    73,123,350.40x = 2,033,103,031,941,258
  5. Step 5: Solve for x
    x = 2,033,103,031,941,258/73,123,350.40
  6. Step 6: Final answer
    x = 27,803,745.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.