Home / 209,869,900.16-314,845,200.41-80,467,418.07

Finding the Fourth Proportional to 209,869,900.16, 314,845,200.41 and 80,467,418.07

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Solution

The fourth proportional to 209,869,900.16, 314,845,200.41 and 80,467,418.07 is: 120,716,598.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,869,900.16 : 314,845,200.41 = 80,467,418.07 : x
  2. Step 2: Convert to fraction form
    209,869,900.16/314,845,200.41 = 80,467,418.07/x
  3. Step 3: Cross multiply
    209,869,900.16x = 314,845,200.41 × 80,467,418.07
  4. Step 4: Simplify right side
    209,869,900.16x = 25,334,780,368,322,064
  5. Step 5: Solve for x
    x = 25,334,780,368,322,064/209,869,900.16
  6. Step 6: Final answer
    x = 120,716,598.00

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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.