Home / 213,537,814.80-320,306,722.20-132,916,246.80

Finding the Fourth Proportional to 213,537,814.80, 320,306,722.20 and 132,916,246.80

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Solution

The fourth proportional to 213,537,814.80, 320,306,722.20 and 132,916,246.80 is: 199,374,370.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,537,814.80 : 320,306,722.20 = 132,916,246.80 : x
  2. Step 2: Convert to fraction form
    213,537,814.80/320,306,722.20 = 132,916,246.80/x
  3. Step 3: Cross multiply
    213,537,814.80x = 320,306,722.20 × 132,916,246.80
  4. Step 4: Simplify right side
    213,537,814.80x = 42,573,967,339,634,240
  5. Step 5: Solve for x
    x = 42,573,967,339,634,240/213,537,814.80
  6. Step 6: Final answer
    x = 199,374,370.20

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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.