Home / 217,455,713.70-300,088,934.40-119,670,569.70

Finding the Fourth Proportional to 217,455,713.70, 300,088,934.40 and 119,670,569.70

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Solution

The fourth proportional to 217,455,713.70, 300,088,934.40 and 119,670,569.70 is: 165,145,413.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,455,713.70 : 300,088,934.40 = 119,670,569.70 : x
  2. Step 2: Convert to fraction form
    217,455,713.70/300,088,934.40 = 119,670,569.70/x
  3. Step 3: Cross multiply
    217,455,713.70x = 300,088,934.40 × 119,670,569.70
  4. Step 4: Simplify right side
    217,455,713.70x = 35,911,813,740,313,924
  5. Step 5: Solve for x
    x = 35,911,813,740,313,924/217,455,713.70
  6. Step 6: Final answer
    x = 165,145,413.42

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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.