Home / 169,224,928.32-253,859,989.08-66,965,051.10

Finding the Fourth Proportional to 169,224,928.32, 253,859,989.08 and 66,965,051.10

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Solution

The fourth proportional to 169,224,928.32, 253,859,989.08 and 66,965,051.10 is: 100,456,518.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,224,928.32 : 253,859,989.08 = 66,965,051.10 : x
  2. Step 2: Convert to fraction form
    169,224,928.32/253,859,989.08 = 66,965,051.10/x
  3. Step 3: Cross multiply
    169,224,928.32x = 253,859,989.08 × 66,965,051.10
  4. Step 4: Simplify right side
    169,224,928.32x = 16,999,747,140,987,644
  5. Step 5: Solve for x
    x = 16,999,747,140,987,644/169,224,928.32
  6. Step 6: Final answer
    x = 100,456,518.49

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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.