Home / 261,015,023.75-360,210,203.39-149,527,411.67

Finding the Fourth Proportional to 261,015,023.75, 360,210,203.39 and 149,527,411.67

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Solution

The fourth proportional to 261,015,023.75, 360,210,203.39 and 149,527,411.67 is: 206,353,253.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,015,023.75 : 360,210,203.39 = 149,527,411.67 : x
  2. Step 2: Convert to fraction form
    261,015,023.75/360,210,203.39 = 149,527,411.67/x
  3. Step 3: Cross multiply
    261,015,023.75x = 360,210,203.39 × 149,527,411.67
  4. Step 4: Simplify right side
    261,015,023.75x = 53,861,299,370,463,472
  5. Step 5: Solve for x
    x = 53,861,299,370,463,472/261,015,023.75
  6. Step 6: Final answer
    x = 206,353,253.53

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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.