Home / 72,235,111.70-108,352,667.55-41,624,110.10

Finding the Fourth Proportional to 72,235,111.70, 108,352,667.55 and 41,624,110.10

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Solution

The fourth proportional to 72,235,111.70, 108,352,667.55 and 41,624,110.10 is: 62,436,165.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,235,111.70 : 108,352,667.55 = 41,624,110.10 : x
  2. Step 2: Convert to fraction form
    72,235,111.70/108,352,667.55 = 41,624,110.10/x
  3. Step 3: Cross multiply
    72,235,111.70x = 108,352,667.55 × 41,624,110.10
  4. Step 4: Simplify right side
    72,235,111.70x = 4,510,083,363,729,897
  5. Step 5: Solve for x
    x = 4,510,083,363,729,897/72,235,111.70
  6. Step 6: Final answer
    x = 62,436,165.15

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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.