Home / 169,224,930.32-253,859,992.08-66,965,053.10

Finding the Fourth Proportional to 169,224,930.32, 253,859,992.08 and 66,965,053.10

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Solution

The fourth proportional to 169,224,930.32, 253,859,992.08 and 66,965,053.10 is: 100,456,521.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,224,930.32 : 253,859,992.08 = 66,965,053.10 : x
  2. Step 2: Convert to fraction form
    169,224,930.32/253,859,992.08 = 66,965,053.10/x
  3. Step 3: Cross multiply
    169,224,930.32x = 253,859,992.08 × 66,965,053.10
  4. Step 4: Simplify right side
    169,224,930.32x = 16,999,747,849,602,780
  5. Step 5: Solve for x
    x = 16,999,747,849,602,780/169,224,930.32
  6. Step 6: Final answer
    x = 100,456,521.49

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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.