Home / 219,560,665.50-302,990,893.31-125,473,733.24

Finding the Fourth Proportional to 219,560,665.50, 302,990,893.31 and 125,473,733.24

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Solution

The fourth proportional to 219,560,665.50, 302,990,893.31 and 125,473,733.24 is: 173,152,137.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,560,665.50 : 302,990,893.31 = 125,473,733.24 : x
  2. Step 2: Convert to fraction form
    219,560,665.50/302,990,893.31 = 125,473,733.24/x
  3. Step 3: Cross multiply
    219,560,665.50x = 302,990,893.31 × 125,473,733.24
  4. Step 4: Simplify right side
    219,560,665.50x = 38,017,398,520,126,968
  5. Step 5: Solve for x
    x = 38,017,398,520,126,968/219,560,665.50
  6. Step 6: Final answer
    x = 173,152,137.40

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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.