Home / 131,802,767.82-181,886,858.10-72,263,081.93

Finding the Fourth Proportional to 131,802,767.82, 181,886,858.10 and 72,263,081.93

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Solution

The fourth proportional to 131,802,767.82, 181,886,858.10 and 72,263,081.93 is: 99,722,525.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,802,767.82 : 181,886,858.10 = 72,263,081.93 : x
  2. Step 2: Convert to fraction form
    131,802,767.82/181,886,858.10 = 72,263,081.93/x
  3. Step 3: Cross multiply
    131,802,767.82x = 181,886,858.10 × 72,263,081.93
  4. Step 4: Simplify right side
    131,802,767.82x = 13,143,704,927,961,148
  5. Step 5: Solve for x
    x = 13,143,704,927,961,148/131,802,767.82
  6. Step 6: Final answer
    x = 99,722,525.90

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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.