Home / 81,174,810.92-112,022,339.52-44,505,303.08

Finding the Fourth Proportional to 81,174,810.92, 112,022,339.52 and 44,505,303.08

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Solution

The fourth proportional to 81,174,810.92, 112,022,339.52 and 44,505,303.08 is: 61,417,921.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,174,810.92 : 112,022,339.52 = 44,505,303.08 : x
  2. Step 2: Convert to fraction form
    81,174,810.92/112,022,339.52 = 44,505,303.08/x
  3. Step 3: Cross multiply
    81,174,810.92x = 112,022,339.52 × 44,505,303.08
  4. Step 4: Simplify right side
    81,174,810.92x = 4,985,588,172,068,261
  5. Step 5: Solve for x
    x = 4,985,588,172,068,261/81,174,810.92
  6. Step 6: Final answer
    x = 61,417,921.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.