Home / 315,226,733.78-435,013,736.19-176,002,477.40

Finding the Fourth Proportional to 315,226,733.78, 435,013,736.19 and 176,002,477.40

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Solution

The fourth proportional to 315,226,733.78, 435,013,736.19 and 176,002,477.40 is: 242,883,889.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,226,733.78 : 435,013,736.19 = 176,002,477.40 : x
  2. Step 2: Convert to fraction form
    315,226,733.78/435,013,736.19 = 176,002,477.40/x
  3. Step 3: Cross multiply
    315,226,733.78x = 435,013,736.19 × 176,002,477.40
  4. Step 4: Simplify right side
    315,226,733.78x = 76,563,495,272,897,552
  5. Step 5: Solve for x
    x = 76,563,495,272,897,552/315,226,733.78
  6. Step 6: Final answer
    x = 242,883,889.81

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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.