Home / 261,015,073.71-360,210,272.48-149,527,461.69

Finding the Fourth Proportional to 261,015,073.71, 360,210,272.48 and 149,527,461.69

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Solution

The fourth proportional to 261,015,073.71, 360,210,272.48 and 149,527,461.69 is: 206,353,322.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,015,073.71 : 360,210,272.48 = 149,527,461.69 : x
  2. Step 2: Convert to fraction form
    261,015,073.71/360,210,272.48 = 149,527,461.69/x
  3. Step 3: Cross multiply
    261,015,073.71x = 360,210,272.48 × 149,527,461.69
  4. Step 4: Simplify right side
    261,015,073.71x = 53,861,327,718,597,664
  5. Step 5: Solve for x
    x = 53,861,327,718,597,664/261,015,073.71
  6. Step 6: Final answer
    x = 206,353,322.64

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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.