Home / 221,434,280.70-332,151,421.05-135,340,838.70

Finding the Fourth Proportional to 221,434,280.70, 332,151,421.05 and 135,340,838.70

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Solution

The fourth proportional to 221,434,280.70, 332,151,421.05 and 135,340,838.70 is: 203,011,258.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,434,280.70 : 332,151,421.05 = 135,340,838.70 : x
  2. Step 2: Convert to fraction form
    221,434,280.70/332,151,421.05 = 135,340,838.70/x
  3. Step 3: Cross multiply
    221,434,280.70x = 332,151,421.05 × 135,340,838.70
  4. Step 4: Simplify right side
    221,434,280.70x = 44,953,651,900,303,832
  5. Step 5: Solve for x
    x = 44,953,651,900,303,832/221,434,280.70
  6. Step 6: Final answer
    x = 203,011,258.05

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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.