Home / 76,716,066.39-115,119,500.16-28,227,970.83

Finding the Fourth Proportional to 76,716,066.39, 115,119,500.16 and 28,227,970.83

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Solution

The fourth proportional to 76,716,066.39, 115,119,500.16 and 28,227,970.83 is: 42,358,661.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,716,066.39 : 115,119,500.16 = 28,227,970.83 : x
  2. Step 2: Convert to fraction form
    76,716,066.39/115,119,500.16 = 28,227,970.83/x
  3. Step 3: Cross multiply
    76,716,066.39x = 115,119,500.16 × 28,227,970.83
  4. Step 4: Simplify right side
    76,716,066.39x = 3,249,589,892,480,660
  5. Step 5: Solve for x
    x = 3,249,589,892,480,660/76,716,066.39
  6. Step 6: Final answer
    x = 42,358,661.56

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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.