Home / 243,807,290.60-336,358,279.50-139,329,311

Finding the Fourth Proportional to 243,807,290.60, 336,358,279.50 and 139,329,311

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Solution

The fourth proportional to 243,807,290.60, 336,358,279.50 and 139,329,311 is: 192,219,712.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,807,290.60 : 336,358,279.50 = 139,329,311 : x
  2. Step 2: Convert to fraction form
    243,807,290.60/336,358,279.50 = 139,329,311/x
  3. Step 3: Cross multiply
    243,807,290.60x = 336,358,279.50 × 139,329,311
  4. Step 4: Simplify right side
    243,807,290.60x = 46,864,567,331,880,424
  5. Step 5: Solve for x
    x = 46,864,567,331,880,424/243,807,290.60
  6. Step 6: Final answer
    x = 192,219,712.61

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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.