Home / 125,650,117.80-188,492,891.40-39,379,528.80

Finding the Fourth Proportional to 125,650,117.80, 188,492,891.40 and 39,379,528.80

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Solution

The fourth proportional to 125,650,117.80, 188,492,891.40 and 39,379,528.80 is: 59,074,845.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,650,117.80 : 188,492,891.40 = 39,379,528.80 : x
  2. Step 2: Convert to fraction form
    125,650,117.80/188,492,891.40 = 39,379,528.80/x
  3. Step 3: Cross multiply
    125,650,117.80x = 188,492,891.40 × 39,379,528.80
  4. Step 4: Simplify right side
    125,650,117.80x = 7,422,761,245,481,572
  5. Step 5: Solve for x
    x = 7,422,761,245,481,572/125,650,117.80
  6. Step 6: Final answer
    x = 59,074,845.10

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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.