Home / 308,493,290.34-425,728,575.54-169,264,015.20

Finding the Fourth Proportional to 308,493,290.34, 425,728,575.54 and 169,264,015.20

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Solution

The fourth proportional to 308,493,290.34, 425,728,575.54 and 169,264,015.20 is: 233,588,639.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,493,290.34 : 425,728,575.54 = 169,264,015.20 : x
  2. Step 2: Convert to fraction form
    308,493,290.34/425,728,575.54 = 169,264,015.20/x
  3. Step 3: Cross multiply
    308,493,290.34x = 425,728,575.54 × 169,264,015.20
  4. Step 4: Simplify right side
    308,493,290.34x = 72,060,528,081,276,912
  5. Step 5: Solve for x
    x = 72,060,528,081,276,912/308,493,290.34
  6. Step 6: Final answer
    x = 233,588,639.81

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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.