Home / 315,226,713.72-435,013,708.50-176,002,457.34

Finding the Fourth Proportional to 315,226,713.72, 435,013,708.50 and 176,002,457.34

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Solution

The fourth proportional to 315,226,713.72, 435,013,708.50 and 176,002,457.34 is: 242,883,862.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,226,713.72 : 435,013,708.50 = 176,002,457.34 : x
  2. Step 2: Convert to fraction form
    315,226,713.72/435,013,708.50 = 176,002,457.34/x
  3. Step 3: Cross multiply
    315,226,713.72x = 435,013,708.50 × 176,002,457.34
  4. Step 4: Simplify right side
    315,226,713.72x = 76,563,481,672,586,448
  5. Step 5: Solve for x
    x = 76,563,481,672,586,448/315,226,713.72
  6. Step 6: Final answer
    x = 242,883,862.12

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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.