Home / 136,364,223.13-188,126,918.25-100,686,169.43

Finding the Fourth Proportional to 136,364,223.13, 188,126,918.25 and 100,686,169.43

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Solution

The fourth proportional to 136,364,223.13, 188,126,918.25 and 100,686,169.43 is: 138,905,779.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,364,223.13 : 188,126,918.25 = 100,686,169.43 : x
  2. Step 2: Convert to fraction form
    136,364,223.13/188,126,918.25 = 100,686,169.43/x
  3. Step 3: Cross multiply
    136,364,223.13x = 188,126,918.25 × 100,686,169.43
  4. Step 4: Simplify right side
    136,364,223.13x = 18,941,778,764,650,528
  5. Step 5: Solve for x
    x = 18,941,778,764,650,528/136,364,223.13
  6. Step 6: Final answer
    x = 138,905,779.90

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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.