Home / 125,829,828.95-188,751,469.50-39,574,961.78

Finding the Fourth Proportional to 125,829,828.95, 188,751,469.50 and 39,574,961.78

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Solution

The fourth proportional to 125,829,828.95, 188,751,469.50 and 39,574,961.78 is: 59,364,558.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,829,828.95 : 188,751,469.50 = 39,574,961.78 : x
  2. Step 2: Convert to fraction form
    125,829,828.95/188,751,469.50 = 39,574,961.78/x
  3. Step 3: Cross multiply
    125,829,828.95x = 188,751,469.50 × 39,574,961.78
  4. Step 4: Simplify right side
    125,829,828.95x = 7,469,832,190,437,578
  5. Step 5: Solve for x
    x = 7,469,832,190,437,578/125,829,828.95
  6. Step 6: Final answer
    x = 59,364,558.09

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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.