Home / 261,015,073.21-360,210,271.79-149,527,461.19

Finding the Fourth Proportional to 261,015,073.21, 360,210,271.79 and 149,527,461.19

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Solution

The fourth proportional to 261,015,073.21, 360,210,271.79 and 149,527,461.19 is: 206,353,321.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,015,073.21 : 360,210,271.79 = 149,527,461.19 : x
  2. Step 2: Convert to fraction form
    261,015,073.21/360,210,271.79 = 149,527,461.19/x
  3. Step 3: Cross multiply
    261,015,073.21x = 360,210,271.79 × 149,527,461.19
  4. Step 4: Simplify right side
    261,015,073.21x = 53,861,327,434,570,944
  5. Step 5: Solve for x
    x = 53,861,327,434,570,944/261,015,073.21
  6. Step 6: Final answer
    x = 206,353,321.94

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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.