Home / 243,807,267.60-336,358,247.76-139,329,288

Finding the Fourth Proportional to 243,807,267.60, 336,358,247.76 and 139,329,288

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Solution

The fourth proportional to 243,807,267.60, 336,358,247.76 and 139,329,288 is: 192,219,680.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,807,267.60 : 336,358,247.76 = 139,329,288 : x
  2. Step 2: Convert to fraction form
    243,807,267.60/336,358,247.76 = 139,329,288/x
  3. Step 3: Cross multiply
    243,807,267.60x = 336,358,247.76 × 139,329,288
  4. Step 4: Simplify right side
    243,807,267.60x = 46,864,555,173,328,392
  5. Step 5: Solve for x
    x = 46,864,555,173,328,392/243,807,267.60
  6. Step 6: Final answer
    x = 192,219,680.88

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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.