Home / 125,441,545,196.40-188,199,035,085.60-40,449,630,395.76

Finding the Fourth Proportional to 125,441,545,196.40, 188,199,035,085.60 and 40,449,630,395.76

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Solution

The fourth proportional to 125,441,545,196.40, 188,199,035,085.60 and 40,449,630,395.76 is: 60,686,285,378.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,441,545,196.40 : 188,199,035,085.60 = 40,449,630,395.76 : x
  2. Step 2: Convert to fraction form
    125,441,545,196.40/188,199,035,085.60 = 40,449,630,395.76/x
  3. Step 3: Cross multiply
    125,441,545,196.40x = 188,199,035,085.60 × 40,449,630,395.76
  4. Step 4: Simplify right side
    125,441,545,196.40x = 7,612,581,410,051,188,588,544
  5. Step 5: Solve for x
    x = 7,612,581,410,051,188,588,544/125,441,545,196.40
  6. Step 6: Final answer
    x = 60,686,285,378.04

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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.