Home / 76,716,062.88-115,119,494.91-28,227,967.31

Finding the Fourth Proportional to 76,716,062.88, 115,119,494.91 and 28,227,967.31

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Solution

The fourth proportional to 76,716,062.88, 115,119,494.91 and 28,227,967.31 is: 42,358,656.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,716,062.88 : 115,119,494.91 = 28,227,967.31 : x
  2. Step 2: Convert to fraction form
    76,716,062.88/115,119,494.91 = 28,227,967.31/x
  3. Step 3: Cross multiply
    76,716,062.88x = 115,119,494.91 × 28,227,967.31
  4. Step 4: Simplify right side
    76,716,062.88x = 3,249,589,339,063,191
  5. Step 5: Solve for x
    x = 3,249,589,339,063,191/76,716,062.88
  6. Step 6: Final answer
    x = 42,358,656.28

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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.