Home / 208,116,689.09-312,072,881.24-102,950,523.72

Finding the Fourth Proportional to 208,116,689.09, 312,072,881.24 and 102,950,523.72

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Solution

The fourth proportional to 208,116,689.09, 312,072,881.24 and 102,950,523.72 is: 154,375,253.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,116,689.09 : 312,072,881.24 = 102,950,523.72 : x
  2. Step 2: Convert to fraction form
    208,116,689.09/312,072,881.24 = 102,950,523.72/x
  3. Step 3: Cross multiply
    208,116,689.09x = 312,072,881.24 × 102,950,523.72
  4. Step 4: Simplify right side
    208,116,689.09x = 32,128,066,562,724,740
  5. Step 5: Solve for x
    x = 32,128,066,562,724,740/208,116,689.09
  6. Step 6: Final answer
    x = 154,375,253.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.