Home / 84,032,108.72-115,964,197.80-45,400,940.72

Finding the Fourth Proportional to 84,032,108.72, 115,964,197.80 and 45,400,940.72

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Solution

The fourth proportional to 84,032,108.72, 115,964,197.80 and 45,400,940.72 is: 62,653,237.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,032,108.72 : 115,964,197.80 = 45,400,940.72 : x
  2. Step 2: Convert to fraction form
    84,032,108.72/115,964,197.80 = 45,400,940.72/x
  3. Step 3: Cross multiply
    84,032,108.72x = 115,964,197.80 × 45,400,940.72
  4. Step 4: Simplify right side
    84,032,108.72x = 5,264,883,669,960,154
  5. Step 5: Solve for x
    x = 5,264,883,669,960,154/84,032,108.72
  6. Step 6: Final answer
    x = 62,653,237.56

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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.