Home / 129,149,928.50-193,724,907.32-52,473,008.66

Finding the Fourth Proportional to 129,149,928.50, 193,724,907.32 and 52,473,008.66

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Solution

The fourth proportional to 129,149,928.50, 193,724,907.32 and 52,473,008.66 is: 78,709,518.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,149,928.50 : 193,724,907.32 = 52,473,008.66 : x
  2. Step 2: Convert to fraction form
    129,149,928.50/193,724,907.32 = 52,473,008.66/x
  3. Step 3: Cross multiply
    129,149,928.50x = 193,724,907.32 × 52,473,008.66
  4. Step 4: Simplify right side
    129,149,928.50x = 10,165,328,738,622,616
  5. Step 5: Solve for x
    x = 10,165,328,738,622,616/129,149,928.50
  6. Step 6: Final answer
    x = 78,709,518.91

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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.