Home / 84,032,110.72-115,964,200.56-45,400,942.72

Finding the Fourth Proportional to 84,032,110.72, 115,964,200.56 and 45,400,942.72

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Solution

The fourth proportional to 84,032,110.72, 115,964,200.56 and 45,400,942.72 is: 62,653,240.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,032,110.72 : 115,964,200.56 = 45,400,942.72 : x
  2. Step 2: Convert to fraction form
    84,032,110.72/115,964,200.56 = 45,400,942.72/x
  3. Step 3: Cross multiply
    84,032,110.72x = 115,964,200.56 × 45,400,942.72
  4. Step 4: Simplify right side
    84,032,110.72x = 5,264,884,027,195,152
  5. Step 5: Solve for x
    x = 5,264,884,027,195,152/84,032,110.72
  6. Step 6: Final answer
    x = 62,653,240.32

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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.