Home / 372,481,771.86-558,704,085.17-139,295,340.36

Finding the Fourth Proportional to 372,481,771.86, 558,704,085.17 and 139,295,340.36

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Solution

The fourth proportional to 372,481,771.86, 558,704,085.17 and 139,295,340.36 is: 208,936,065.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,481,771.86 : 558,704,085.17 = 139,295,340.36 : x
  2. Step 2: Convert to fraction form
    372,481,771.86/558,704,085.17 = 139,295,340.36/x
  3. Step 3: Cross multiply
    372,481,771.86x = 558,704,085.17 × 139,295,340.36
  4. Step 4: Simplify right side
    372,481,771.86x = 77,824,875,703,581,104
  5. Step 5: Solve for x
    x = 77,824,875,703,581,104/372,481,771.86
  6. Step 6: Final answer
    x = 208,936,065.02

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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.