Home / 126,390,475,376.73-189,565,531,918.34-36,832,520,187.19

Finding the Fourth Proportional to 126,390,475,376.73, 189,565,531,918.34 and 36,832,520,187.19

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Solution

The fourth proportional to 126,390,475,376.73, 189,565,531,918.34 and 36,832,520,187.19 is: 55,242,899,121.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,390,475,376.73 : 189,565,531,918.34 = 36,832,520,187.19 : x
  2. Step 2: Convert to fraction form
    126,390,475,376.73/189,565,531,918.34 = 36,832,520,187.19/x
  3. Step 3: Cross multiply
    126,390,475,376.73x = 189,565,531,918.34 × 36,832,520,187.19
  4. Step 4: Simplify right side
    126,390,475,376.73x = 6,982,176,281,178,047,250,432
  5. Step 5: Solve for x
    x = 6,982,176,281,178,047,250,432/126,390,475,376.73
  6. Step 6: Final answer
    x = 55,242,899,121.68

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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.