Home / 76,716,064.88-115,119,497.91-28,227,969.32

Finding the Fourth Proportional to 76,716,064.88, 115,119,497.91 and 28,227,969.32

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Solution

The fourth proportional to 76,716,064.88, 115,119,497.91 and 28,227,969.32 is: 42,358,659.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,716,064.88 : 115,119,497.91 = 28,227,969.32 : x
  2. Step 2: Convert to fraction form
    76,716,064.88/115,119,497.91 = 28,227,969.32/x
  3. Step 3: Cross multiply
    76,716,064.88x = 115,119,497.91 × 28,227,969.32
  4. Step 4: Simplify right side
    76,716,064.88x = 3,249,589,654,561,686.50
  5. Step 5: Solve for x
    x = 3,249,589,654,561,686.50/76,716,064.88
  6. Step 6: Final answer
    x = 42,358,659.30

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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.