Home / 315,226,716.72-435,013,712.64-176,002,460.34

Finding the Fourth Proportional to 315,226,716.72, 435,013,712.64 and 176,002,460.34

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Solution

The fourth proportional to 315,226,716.72, 435,013,712.64 and 176,002,460.34 is: 242,883,866.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,226,716.72 : 435,013,712.64 = 176,002,460.34 : x
  2. Step 2: Convert to fraction form
    315,226,716.72/435,013,712.64 = 176,002,460.34/x
  3. Step 3: Cross multiply
    315,226,716.72x = 435,013,712.64 × 176,002,460.34
  4. Step 4: Simplify right side
    315,226,716.72x = 76,563,483,706,277,760
  5. Step 5: Solve for x
    x = 76,563,483,706,277,760/315,226,716.72
  6. Step 6: Final answer
    x = 242,883,866.26

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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.