Home / 136,364,225.64-188,126,921.70-100,686,171.93

Finding the Fourth Proportional to 136,364,225.64, 188,126,921.70 and 100,686,171.93

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Solution

The fourth proportional to 136,364,225.64, 188,126,921.70 and 100,686,171.93 is: 138,905,783.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,364,225.64 : 188,126,921.70 = 100,686,171.93 : x
  2. Step 2: Convert to fraction form
    136,364,225.64/188,126,921.70 = 100,686,171.93/x
  3. Step 3: Cross multiply
    136,364,225.64x = 188,126,921.70 × 100,686,171.93
  4. Step 4: Simplify right side
    136,364,225.64x = 18,941,779,582,947,848
  5. Step 5: Solve for x
    x = 18,941,779,582,947,848/136,364,225.64
  6. Step 6: Final answer
    x = 138,905,783.35

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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.