Home / 76,678,209.77-114,932,119.86-58,422,219.17

Finding the Fourth Proportional to 76,678,209.77, 114,932,119.86 and 58,422,219.17

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Solution

The fourth proportional to 76,678,209.77, 114,932,119.86 and 58,422,219.17 is: 87,568,417.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,678,209.77 : 114,932,119.86 = 58,422,219.17 : x
  2. Step 2: Convert to fraction form
    76,678,209.77/114,932,119.86 = 58,422,219.17/x
  3. Step 3: Cross multiply
    76,678,209.77x = 114,932,119.86 × 58,422,219.17
  4. Step 4: Simplify right side
    76,678,209.77x = 6,714,589,495,558,969
  5. Step 5: Solve for x
    x = 6,714,589,495,558,969/76,678,209.77
  6. Step 6: Final answer
    x = 87,568,417.63

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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.