Home / 126,390,475,381.42-189,565,531,925.37-36,832,520,191.88

Finding the Fourth Proportional to 126,390,475,381.42, 189,565,531,925.37 and 36,832,520,191.88

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Solution

The fourth proportional to 126,390,475,381.42, 189,565,531,925.37 and 36,832,520,191.88 is: 55,242,899,128.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,390,475,381.42 : 189,565,531,925.37 = 36,832,520,191.88 : x
  2. Step 2: Convert to fraction form
    126,390,475,381.42/189,565,531,925.37 = 36,832,520,191.88/x
  3. Step 3: Cross multiply
    126,390,475,381.42x = 189,565,531,925.37 × 36,832,520,191.88
  4. Step 4: Simplify right side
    126,390,475,381.42x = 6,982,176,282,324,715,438,080
  5. Step 5: Solve for x
    x = 6,982,176,282,324,715,438,080/126,390,475,381.42
  6. Step 6: Final answer
    x = 55,242,899,128.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.