Home / 136,364,226.64-188,126,923.08-100,686,172.92

Finding the Fourth Proportional to 136,364,226.64, 188,126,923.08 and 100,686,172.92

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Solution

The fourth proportional to 136,364,226.64, 188,126,923.08 and 100,686,172.92 is: 138,905,784.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,364,226.64 : 188,126,923.08 = 100,686,172.92 : x
  2. Step 2: Convert to fraction form
    136,364,226.64/188,126,923.08 = 100,686,172.92/x
  3. Step 3: Cross multiply
    136,364,226.64x = 188,126,923.08 × 100,686,172.92
  4. Step 4: Simplify right side
    136,364,226.64x = 18,941,779,908,140,420
  5. Step 5: Solve for x
    x = 18,941,779,908,140,420/136,364,226.64
  6. Step 6: Final answer
    x = 138,905,784.71

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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.