Home / 215,363,367.96-297,199,931.68-117,578,223.96

Finding the Fourth Proportional to 215,363,367.96, 297,199,931.68 and 117,578,223.96

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Solution

The fourth proportional to 215,363,367.96, 297,199,931.68 and 117,578,223.96 is: 162,257,121.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,363,367.96 : 297,199,931.68 = 117,578,223.96 : x
  2. Step 2: Convert to fraction form
    215,363,367.96/297,199,931.68 = 117,578,223.96/x
  3. Step 3: Cross multiply
    215,363,367.96x = 297,199,931.68 × 117,578,223.96
  4. Step 4: Simplify right side
    215,363,367.96x = 34,944,240,127,967,736
  5. Step 5: Solve for x
    x = 34,944,240,127,967,736/215,363,367.96
  6. Step 6: Final answer
    x = 162,257,121.34

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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.