Home / 155,932,581,807.46-215,188,226,365.14-86,409,383,974.49

Finding the Fourth Proportional to 155,932,581,807.46, 215,188,226,365.14 and 86,409,383,974.49

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Solution

The fourth proportional to 155,932,581,807.46, 215,188,226,365.14 and 86,409,383,974.49 is: 119,245,650,031.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,932,581,807.46 : 215,188,226,365.14 = 86,409,383,974.49 : x
  2. Step 2: Convert to fraction form
    155,932,581,807.46/215,188,226,365.14 = 86,409,383,974.49/x
  3. Step 3: Cross multiply
    155,932,581,807.46x = 215,188,226,365.14 × 86,409,383,974.49
  4. Step 4: Simplify right side
    155,932,581,807.46x = 18,594,282,078,774,858,088,448
  5. Step 5: Solve for x
    x = 18,594,282,078,774,858,088,448/155,932,581,807.46
  6. Step 6: Final answer
    x = 119,245,650,031.85

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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.