Home / 139,313,378,393.96-192,249,448,875.22-80,654,674,053.62

Finding the Fourth Proportional to 139,313,378,393.96, 192,249,448,875.22 and 80,654,674,053.62

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Solution

The fourth proportional to 139,313,378,393.96, 192,249,448,875.22 and 80,654,674,053.62 is: 111,301,705,656.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,313,378,393.96 : 192,249,448,875.22 = 80,654,674,053.62 : x
  2. Step 2: Convert to fraction form
    139,313,378,393.96/192,249,448,875.22 = 80,654,674,053.62/x
  3. Step 3: Cross multiply
    139,313,378,393.96x = 192,249,448,875.22 × 80,654,674,053.62
  4. Step 4: Simplify right side
    139,313,378,393.96x = 15,505,816,636,018,950,930,432
  5. Step 5: Solve for x
    x = 15,505,816,636,018,950,930,432/139,313,378,393.96
  6. Step 6: Final answer
    x = 111,301,705,656.51

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1.5x scale

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.