Home / 243,807,278.60-336,358,262.94-139,329,299

Finding the Fourth Proportional to 243,807,278.60, 336,358,262.94 and 139,329,299

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Solution

The fourth proportional to 243,807,278.60, 336,358,262.94 and 139,329,299 is: 192,219,696.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,807,278.60 : 336,358,262.94 = 139,329,299 : x
  2. Step 2: Convert to fraction form
    243,807,278.60/336,358,262.94 = 139,329,299/x
  3. Step 3: Cross multiply
    243,807,278.60x = 336,358,262.94 × 139,329,299
  4. Step 4: Simplify right side
    243,807,278.60x = 46,864,560,988,287,880
  5. Step 5: Solve for x
    x = 46,864,560,988,287,880/243,807,278.60
  6. Step 6: Final answer
    x = 192,219,696.05

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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.