Home / 101,993,378.32-153,022,408.92-36,413,109.16

Finding the Fourth Proportional to 101,993,378.32, 153,022,408.92 and 36,413,109.16

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Solution

The fourth proportional to 101,993,378.32, 153,022,408.92 and 36,413,109.16 is: 54,631,210.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,993,378.32 : 153,022,408.92 = 36,413,109.16 : x
  2. Step 2: Convert to fraction form
    101,993,378.32/153,022,408.92 = 36,413,109.16/x
  3. Step 3: Cross multiply
    101,993,378.32x = 153,022,408.92 × 36,413,109.16
  4. Step 4: Simplify right side
    101,993,378.32x = 5,572,021,679,930,117
  5. Step 5: Solve for x
    x = 5,572,021,679,930,117/101,993,378.32
  6. Step 6: Final answer
    x = 54,631,210.10

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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.