Home / 253,005,978,154.92-349,154,673,921.10-138,820,568,886.08

Finding the Fourth Proportional to 253,005,978,154.92, 349,154,673,921.10 and 138,820,568,886.08

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Solution

The fourth proportional to 253,005,978,154.92, 349,154,673,921.10 and 138,820,568,886.08 is: 191,575,909,851.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,005,978,154.92 : 349,154,673,921.10 = 138,820,568,886.08 : x
  2. Step 2: Convert to fraction form
    253,005,978,154.92/349,154,673,921.10 = 138,820,568,886.08/x
  3. Step 3: Cross multiply
    253,005,978,154.92x = 349,154,673,921.10 × 138,820,568,886.08
  4. Step 4: Simplify right side
    253,005,978,154.92x = 48,469,850,462,960,853,450,752
  5. Step 5: Solve for x
    x = 48,469,850,462,960,853,450,752/253,005,978,154.92
  6. Step 6: Final answer
    x = 191,575,909,851.75

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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.