Home / 104,604,764.13-144,553,662.88-78,453,881.12

Finding the Fourth Proportional to 104,604,764.13, 144,553,662.88 and 78,453,881.12

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Solution

The fourth proportional to 104,604,764.13, 144,553,662.88 and 78,453,881.12 is: 108,415,672.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,604,764.13 : 144,553,662.88 = 78,453,881.12 : x
  2. Step 2: Convert to fraction form
    104,604,764.13/144,553,662.88 = 78,453,881.12/x
  3. Step 3: Cross multiply
    104,604,764.13x = 144,553,662.88 × 78,453,881.12
  4. Step 4: Simplify right side
    104,604,764.13x = 11,340,795,883,213,326
  5. Step 5: Solve for x
    x = 11,340,795,883,213,326/104,604,764.13
  6. Step 6: Final answer
    x = 108,415,672.82

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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.