Home / 131,764,475.16-181,728,950.11-115,835,501.44

Finding the Fourth Proportional to 131,764,475.16, 181,728,950.11 and 115,835,501.44

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Solution

The fourth proportional to 131,764,475.16, 181,728,950.11 and 115,835,501.44 is: 159,759,783.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,764,475.16 : 181,728,950.11 = 115,835,501.44 : x
  2. Step 2: Convert to fraction form
    131,764,475.16/181,728,950.11 = 115,835,501.44/x
  3. Step 3: Cross multiply
    131,764,475.16x = 181,728,950.11 × 115,835,501.44
  4. Step 4: Simplify right side
    131,764,475.16x = 21,050,664,062,094,164
  5. Step 5: Solve for x
    x = 21,050,664,062,094,164/131,764,475.16
  6. Step 6: Final answer
    x = 159,759,783.78

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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.