Home / 87,166,438.40-120,295,145.32-48,008,206.13

Finding the Fourth Proportional to 87,166,438.40, 120,295,145.32 and 48,008,206.13

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Solution

The fourth proportional to 87,166,438.40, 120,295,145.32 and 48,008,206.13 is: 66,254,331.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,166,438.40 : 120,295,145.32 = 48,008,206.13 : x
  2. Step 2: Convert to fraction form
    87,166,438.40/120,295,145.32 = 48,008,206.13/x
  3. Step 3: Cross multiply
    87,166,438.40x = 120,295,145.32 × 48,008,206.13
  4. Step 4: Simplify right side
    87,166,438.40x = 5,775,154,132,239,368
  5. Step 5: Solve for x
    x = 5,775,154,132,239,368/87,166,438.40
  6. Step 6: Final answer
    x = 66,254,331.81

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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.