Home / 207,328,658.50-286,111,665.11-113,242,785.86

Finding the Fourth Proportional to 207,328,658.50, 286,111,665.11 and 113,242,785.86

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Solution

The fourth proportional to 207,328,658.50, 286,111,665.11 and 113,242,785.86 is: 156,274,015.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,328,658.50 : 286,111,665.11 = 113,242,785.86 : x
  2. Step 2: Convert to fraction form
    207,328,658.50/286,111,665.11 = 113,242,785.86/x
  3. Step 3: Cross multiply
    207,328,658.50x = 286,111,665.11 × 113,242,785.86
  4. Step 4: Simplify right side
    207,328,658.50x = 32,400,082,024,815,044
  5. Step 5: Solve for x
    x = 32,400,082,024,815,044/207,328,658.50
  6. Step 6: Final answer
    x = 156,274,015.66

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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.