Home / 202,286,270.47-279,155,053.34-109,466,778.35

Finding the Fourth Proportional to 202,286,270.47, 279,155,053.34 and 109,466,778.35

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Solution

The fourth proportional to 202,286,270.47, 279,155,053.34 and 109,466,778.35 is: 151,064,154.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,286,270.47 : 279,155,053.34 = 109,466,778.35 : x
  2. Step 2: Convert to fraction form
    202,286,270.47/279,155,053.34 = 109,466,778.35/x
  3. Step 3: Cross multiply
    202,286,270.47x = 279,155,053.34 × 109,466,778.35
  4. Step 4: Simplify right side
    202,286,270.47x = 30,558,204,349,252,204
  5. Step 5: Solve for x
    x = 30,558,204,349,252,204/202,286,270.47
  6. Step 6: Final answer
    x = 151,064,154.17

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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.