Home / 260,270,319.15-359,176,705.11-142,793,514.63

Finding the Fourth Proportional to 260,270,319.15, 359,176,705.11 and 142,793,514.63

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Solution

The fourth proportional to 260,270,319.15, 359,176,705.11 and 142,793,514.63 is: 197,057,060.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,270,319.15 : 359,176,705.11 = 142,793,514.63 : x
  2. Step 2: Convert to fraction form
    260,270,319.15/359,176,705.11 = 142,793,514.63/x
  3. Step 3: Cross multiply
    260,270,319.15x = 359,176,705.11 × 142,793,514.63
  4. Step 4: Simplify right side
    260,270,319.15x = 51,288,104,095,879,984
  5. Step 5: Solve for x
    x = 51,288,104,095,879,984/260,270,319.15
  6. Step 6: Final answer
    x = 197,057,060.76

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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.