Home / 85,661,566.36-128,492,346.30-25,077,292.36

Finding the Fourth Proportional to 85,661,566.36, 128,492,346.30 and 25,077,292.36

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Solution

The fourth proportional to 85,661,566.36, 128,492,346.30 and 25,077,292.36 is: 37,615,937.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,661,566.36 : 128,492,346.30 = 25,077,292.36 : x
  2. Step 2: Convert to fraction form
    85,661,566.36/128,492,346.30 = 25,077,292.36/x
  3. Step 3: Cross multiply
    85,661,566.36x = 128,492,346.30 × 25,077,292.36
  4. Step 4: Simplify right side
    85,661,566.36x = 3,222,240,134,187,464
  5. Step 5: Solve for x
    x = 3,222,240,134,187,464/85,661,566.36
  6. Step 6: Final answer
    x = 37,615,937.59

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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.