Home / 223,758,267.27-308,789,607.92-128,404,315.04

Finding the Fourth Proportional to 223,758,267.27, 308,789,607.92 and 128,404,315.04

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Solution

The fourth proportional to 223,758,267.27, 308,789,607.92 and 128,404,315.04 is: 177,199,790.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,758,267.27 : 308,789,607.92 = 128,404,315.04 : x
  2. Step 2: Convert to fraction form
    223,758,267.27/308,789,607.92 = 128,404,315.04/x
  3. Step 3: Cross multiply
    223,758,267.27x = 308,789,607.92 × 128,404,315.04
  4. Step 4: Simplify right side
    223,758,267.27x = 39,649,918,094,251,792
  5. Step 5: Solve for x
    x = 39,649,918,094,251,792/223,758,267.27
  6. Step 6: Final answer
    x = 177,199,790.55

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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.