Home / 76,716,062.38-115,119,494.17-28,227,966.81

Finding the Fourth Proportional to 76,716,062.38, 115,119,494.17 and 28,227,966.81

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Solution

The fourth proportional to 76,716,062.38, 115,119,494.17 and 28,227,966.81 is: 42,358,655.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,716,062.38 : 115,119,494.17 = 28,227,966.81 : x
  2. Step 2: Convert to fraction form
    76,716,062.38/115,119,494.17 = 28,227,966.81/x
  3. Step 3: Cross multiply
    76,716,062.38x = 115,119,494.17 × 28,227,966.81
  4. Step 4: Simplify right side
    76,716,062.38x = 3,249,589,260,473,608.50
  5. Step 5: Solve for x
    x = 3,249,589,260,473,608.50/76,716,062.38
  6. Step 6: Final answer
    x = 42,358,655.54

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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.