Home / 139,176,161,892.26-208,678,805,283.12-54,086,604,215.70

Finding the Fourth Proportional to 139,176,161,892.26, 208,678,805,283.12 and 54,086,604,215.70

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Solution

The fourth proportional to 139,176,161,892.26, 208,678,805,283.12 and 54,086,604,215.70 is: 81,096,703,602.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,176,161,892.26 : 208,678,805,283.12 = 54,086,604,215.70 : x
  2. Step 2: Convert to fraction form
    139,176,161,892.26/208,678,805,283.12 = 54,086,604,215.70/x
  3. Step 3: Cross multiply
    139,176,161,892.26x = 208,678,805,283.12 × 54,086,604,215.70
  4. Step 4: Simplify right side
    139,176,161,892.26x = 11,286,727,949,553,235,918,848
  5. Step 5: Solve for x
    x = 11,286,727,949,553,235,918,848/139,176,161,892.26
  6. Step 6: Final answer
    x = 81,096,703,602.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.