Home / 243,807,289.60-336,358,278.12-139,329,310

Finding the Fourth Proportional to 243,807,289.60, 336,358,278.12 and 139,329,310

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Solution

The fourth proportional to 243,807,289.60, 336,358,278.12 and 139,329,310 is: 192,219,711.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,807,289.60 : 336,358,278.12 = 139,329,310 : x
  2. Step 2: Convert to fraction form
    243,807,289.60/336,358,278.12 = 139,329,310/x
  3. Step 3: Cross multiply
    243,807,289.60x = 336,358,278.12 × 139,329,310
  4. Step 4: Simplify right side
    243,807,289.60x = 46,864,566,803,247,696
  5. Step 5: Solve for x
    x = 46,864,566,803,247,696/243,807,289.60
  6. Step 6: Final answer
    x = 192,219,711.23

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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.