Home / 315,554,263.59-435,508,142.97-181,589,426.72

Finding the Fourth Proportional to 315,554,263.59, 435,508,142.97 and 181,589,426.72

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Solution

The fourth proportional to 315,554,263.59, 435,508,142.97 and 181,589,426.72 is: 250,618,302.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,554,263.59 : 435,508,142.97 = 181,589,426.72 : x
  2. Step 2: Convert to fraction form
    315,554,263.59/435,508,142.97 = 181,589,426.72/x
  3. Step 3: Cross multiply
    315,554,263.59x = 435,508,142.97 × 181,589,426.72
  4. Step 4: Simplify right side
    315,554,263.59x = 79,083,674,013,814,096
  5. Step 5: Solve for x
    x = 79,083,674,013,814,096/315,554,263.59
  6. Step 6: Final answer
    x = 250,618,302.90

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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.