Home / 209,870,060.50-314,845,440.45-80,467,577.79

Finding the Fourth Proportional to 209,870,060.50, 314,845,440.45 and 80,467,577.79

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Solution

The fourth proportional to 209,870,060.50, 314,845,440.45 and 80,467,577.79 is: 120,716,837.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,870,060.50 : 314,845,440.45 = 80,467,577.79 : x
  2. Step 2: Convert to fraction form
    209,870,060.50/314,845,440.45 = 80,467,577.79/x
  3. Step 3: Cross multiply
    209,870,060.50x = 314,845,440.45 × 80,467,577.79
  4. Step 4: Simplify right side
    209,870,060.50x = 25,334,849,969,754,764
  5. Step 5: Solve for x
    x = 25,334,849,969,754,764/209,870,060.50
  6. Step 6: Final answer
    x = 120,716,837.41

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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.