Home / 139,710,086,618.85-209,565,129,928.27-139,710,086,618.85

Finding the Fourth Proportional to 139,710,086,618.85, 209,565,129,928.27 and 139,710,086,618.85

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Solution

The fourth proportional to 139,710,086,618.85, 209,565,129,928.27 and 139,710,086,618.85 is: 209,565,129,928.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,710,086,618.85 : 209,565,129,928.27 = 139,710,086,618.85 : x
  2. Step 2: Convert to fraction form
    139,710,086,618.85/209,565,129,928.27 = 139,710,086,618.85/x
  3. Step 3: Cross multiply
    139,710,086,618.85x = 209,565,129,928.27 × 139,710,086,618.85
  4. Step 4: Simplify right side
    139,710,086,618.85x = 29,278,362,454,569,156,345,856
  5. Step 5: Solve for x
    x = 29,278,362,454,569,156,345,856/139,710,086,618.85
  6. Step 6: Final answer
    x = 209,565,129,928.27

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1.5x scale

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.