Home / 141,816,728.52-212,709,110.67-38,193,518.57

Finding the Fourth Proportional to 141,816,728.52, 212,709,110.67 and 38,193,518.57

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Solution

The fourth proportional to 141,816,728.52, 212,709,110.67 and 38,193,518.57 is: 57,285,973.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,816,728.52 : 212,709,110.67 = 38,193,518.57 : x
  2. Step 2: Convert to fraction form
    141,816,728.52/212,709,110.67 = 38,193,518.57/x
  3. Step 3: Cross multiply
    141,816,728.52x = 212,709,110.67 × 38,193,518.57
  4. Step 4: Simplify right side
    141,816,728.52x = 8,124,109,367,319,284
  5. Step 5: Solve for x
    x = 8,124,109,367,319,284/141,816,728.52
  6. Step 6: Final answer
    x = 57,285,973.61

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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.