Home / 125,914,460.50-188,641,509-91,285,098.04

Finding the Fourth Proportional to 125,914,460.50, 188,641,509 and 91,285,098.04

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Solution

The fourth proportional to 125,914,460.50, 188,641,509 and 91,285,098.04 is: 136,760,770.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,914,460.50 : 188,641,509 = 91,285,098.04 : x
  2. Step 2: Convert to fraction form
    125,914,460.50/188,641,509 = 91,285,098.04/x
  3. Step 3: Cross multiply
    125,914,460.50x = 188,641,509 × 91,285,098.04
  4. Step 4: Simplify right side
    125,914,460.50x = 17,220,158,643,478,544
  5. Step 5: Solve for x
    x = 17,220,158,643,478,544/125,914,460.50
  6. Step 6: Final answer
    x = 136,760,770.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.