Home / 208,116,726.75-312,072,938.11-102,950,561.29

Finding the Fourth Proportional to 208,116,726.75, 312,072,938.11 and 102,950,561.29

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Solution

The fourth proportional to 208,116,726.75, 312,072,938.11 and 102,950,561.29 is: 154,375,309.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,116,726.75 : 312,072,938.11 = 102,950,561.29 : x
  2. Step 2: Convert to fraction form
    208,116,726.75/312,072,938.11 = 102,950,561.29/x
  3. Step 3: Cross multiply
    208,116,726.75x = 312,072,938.11 × 102,950,561.29
  4. Step 4: Simplify right side
    208,116,726.75x = 32,128,084,139,768,816
  5. Step 5: Solve for x
    x = 32,128,084,139,768,816/208,116,726.75
  6. Step 6: Final answer
    x = 154,375,309.67

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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.