Home / 202,172,633.24-279,168,302.86-127,964,106.48

Finding the Fourth Proportional to 202,172,633.24, 279,168,302.86 and 127,964,106.48

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Solution

The fourth proportional to 202,172,633.24, 279,168,302.86 and 127,964,106.48 is: 176,698,111.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,172,633.24 : 279,168,302.86 = 127,964,106.48 : x
  2. Step 2: Convert to fraction form
    202,172,633.24/279,168,302.86 = 127,964,106.48/x
  3. Step 3: Cross multiply
    202,172,633.24x = 279,168,302.86 × 127,964,106.48
  4. Step 4: Simplify right side
    202,172,633.24x = 35,723,522,433,744,900
  5. Step 5: Solve for x
    x = 35,723,522,433,744,900/202,172,633.24
  6. Step 6: Final answer
    x = 176,698,111.22

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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.