Home / 133,415,799.72-184,103,750.40-81,199,064.16

Finding the Fourth Proportional to 133,415,799.72, 184,103,750.40 and 81,199,064.16

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Solution

The fourth proportional to 133,415,799.72, 184,103,750.40 and 81,199,064.16 is: 112,048,589.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,415,799.72 : 184,103,750.40 = 81,199,064.16 : x
  2. Step 2: Convert to fraction form
    133,415,799.72/184,103,750.40 = 81,199,064.16/x
  3. Step 3: Cross multiply
    133,415,799.72x = 184,103,750.40 × 81,199,064.16
  4. Step 4: Simplify right side
    133,415,799.72x = 14,949,052,240,826,226
  5. Step 5: Solve for x
    x = 14,949,052,240,826,226/133,415,799.72
  6. Step 6: Final answer
    x = 112,048,589.99

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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.