Home / 88,405,911.10-121,116,682.38-85,092,349.13

Finding the Fourth Proportional to 88,405,911.10, 121,116,682.38 and 85,092,349.13

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Solution

The fourth proportional to 88,405,911.10, 121,116,682.38 and 85,092,349.13 is: 116,577,080.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,405,911.10 : 121,116,682.38 = 85,092,349.13 : x
  2. Step 2: Convert to fraction form
    88,405,911.10/121,116,682.38 = 85,092,349.13/x
  3. Step 3: Cross multiply
    88,405,911.10x = 121,116,682.38 × 85,092,349.13
  4. Step 4: Simplify right side
    88,405,911.10x = 10,306,103,022,713,980
  5. Step 5: Solve for x
    x = 10,306,103,022,713,980/88,405,911.10
  6. Step 6: Final answer
    x = 116,577,080.59

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.