Home / 207,328,660.56-286,111,667.96-113,242,787.93

Finding the Fourth Proportional to 207,328,660.56, 286,111,667.96 and 113,242,787.93

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Solution

The fourth proportional to 207,328,660.56, 286,111,667.96 and 113,242,787.93 is: 156,274,018.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,328,660.56 : 286,111,667.96 = 113,242,787.93 : x
  2. Step 2: Convert to fraction form
    207,328,660.56/286,111,667.96 = 113,242,787.93/x
  3. Step 3: Cross multiply
    207,328,660.56x = 286,111,667.96 × 113,242,787.93
  4. Step 4: Simplify right side
    207,328,660.56x = 32,400,082,937,096,080
  5. Step 5: Solve for x
    x = 32,400,082,937,096,080/207,328,660.56
  6. Step 6: Final answer
    x = 156,274,018.51

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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.