Home / 155,932,581,793.23-215,188,226,345.47-86,409,383,960.25

Finding the Fourth Proportional to 155,932,581,793.23, 215,188,226,345.47 and 86,409,383,960.25

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Solution

The fourth proportional to 155,932,581,793.23, 215,188,226,345.47 and 86,409,383,960.25 is: 119,245,650,012.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,932,581,793.23 : 215,188,226,345.47 = 86,409,383,960.25 : x
  2. Step 2: Convert to fraction form
    155,932,581,793.23/215,188,226,345.47 = 86,409,383,960.25/x
  3. Step 3: Cross multiply
    155,932,581,793.23x = 215,188,226,345.47 × 86,409,383,960.25
  4. Step 4: Simplify right side
    155,932,581,793.23x = 18,594,282,074,010,902,593,536
  5. Step 5: Solve for x
    x = 18,594,282,074,010,902,593,536/155,932,581,793.23
  6. Step 6: Final answer
    x = 119,245,650,012.18

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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.