Home / 371,069,360.87-512,081,870.54-203,821,079.27

Finding the Fourth Proportional to 371,069,360.87, 512,081,870.54 and 203,821,079.27

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Solution

The fourth proportional to 371,069,360.87, 512,081,870.54 and 203,821,079.27 is: 281,276,468.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,069,360.87 : 512,081,870.54 = 203,821,079.27 : x
  2. Step 2: Convert to fraction form
    371,069,360.87/512,081,870.54 = 203,821,079.27/x
  3. Step 3: Cross multiply
    371,069,360.87x = 512,081,870.54 × 203,821,079.27
  4. Step 4: Simplify right side
    371,069,360.87x = 104,373,079,524,483,696
  5. Step 5: Solve for x
    x = 104,373,079,524,483,696/371,069,360.87
  6. Step 6: Final answer
    x = 281,276,468.86

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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.