Home / 243,807,270.60-336,358,251.90-139,329,291

Finding the Fourth Proportional to 243,807,270.60, 336,358,251.90 and 139,329,291

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Solution

The fourth proportional to 243,807,270.60, 336,358,251.90 and 139,329,291 is: 192,219,685.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,807,270.60 : 336,358,251.90 = 139,329,291 : x
  2. Step 2: Convert to fraction form
    243,807,270.60/336,358,251.90 = 139,329,291/x
  3. Step 3: Cross multiply
    243,807,270.60x = 336,358,251.90 × 139,329,291
  4. Step 4: Simplify right side
    243,807,270.60x = 46,864,556,759,226,400
  5. Step 5: Solve for x
    x = 46,864,556,759,226,400/243,807,270.60
  6. Step 6: Final answer
    x = 192,219,685.02

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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.