Home / 260,770,128.08-359,865,641.16-143,295,488.72

Finding the Fourth Proportional to 260,770,128.08, 359,865,641.16 and 143,295,488.72

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Solution

The fourth proportional to 260,770,128.08, 359,865,641.16 and 143,295,488.72 is: 197,749,348.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,770,128.08 : 359,865,641.16 = 143,295,488.72 : x
  2. Step 2: Convert to fraction form
    260,770,128.08/359,865,641.16 = 143,295,488.72/x
  3. Step 3: Cross multiply
    260,770,128.08x = 359,865,641.16 × 143,295,488.72
  4. Step 4: Simplify right side
    260,770,128.08x = 51,567,122,923,558,352
  5. Step 5: Solve for x
    x = 51,567,122,923,558,352/260,770,128.08
  6. Step 6: Final answer
    x = 197,749,348.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.