Home / 125,829,830.45-188,751,471.75-39,574,963.28

Finding the Fourth Proportional to 125,829,830.45, 188,751,471.75 and 39,574,963.28

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Solution

The fourth proportional to 125,829,830.45, 188,751,471.75 and 39,574,963.28 is: 59,364,560.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,829,830.45 : 188,751,471.75 = 39,574,963.28 : x
  2. Step 2: Convert to fraction form
    125,829,830.45/188,751,471.75 = 39,574,963.28/x
  3. Step 3: Cross multiply
    125,829,830.45x = 188,751,471.75 × 39,574,963.28
  4. Step 4: Simplify right side
    125,829,830.45x = 7,469,832,562,608,450
  5. Step 5: Solve for x
    x = 7,469,832,562,608,450/125,829,830.45
  6. Step 6: Final answer
    x = 59,364,560.34

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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.