Home / 221,439,012.30-332,158,518.45-119,402,340.30

Finding the Fourth Proportional to 221,439,012.30, 332,158,518.45 and 119,402,340.30

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Solution

The fourth proportional to 221,439,012.30, 332,158,518.45 and 119,402,340.30 is: 179,103,510.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,439,012.30 : 332,158,518.45 = 119,402,340.30 : x
  2. Step 2: Convert to fraction form
    221,439,012.30/332,158,518.45 = 119,402,340.30/x
  3. Step 3: Cross multiply
    221,439,012.30x = 332,158,518.45 × 119,402,340.30
  4. Step 4: Simplify right side
    221,439,012.30x = 39,660,504,453,510,728
  5. Step 5: Solve for x
    x = 39,660,504,453,510,728/221,439,012.30
  6. Step 6: Final answer
    x = 179,103,510.45

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Double scale
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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.