Home / 131,340,992.67-181,241,932.81-75,577,412.71

Finding the Fourth Proportional to 131,340,992.67, 181,241,932.81 and 75,577,412.71

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Solution

The fourth proportional to 131,340,992.67, 181,241,932.81 and 75,577,412.71 is: 104,291,859.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,340,992.67 : 181,241,932.81 = 75,577,412.71 : x
  2. Step 2: Convert to fraction form
    131,340,992.67/181,241,932.81 = 75,577,412.71/x
  3. Step 3: Cross multiply
    131,340,992.67x = 181,241,932.81 × 75,577,412.71
  4. Step 4: Simplify right side
    131,340,992.67x = 13,697,796,356,339,460
  5. Step 5: Solve for x
    x = 13,697,796,356,339,460/131,340,992.67
  6. Step 6: Final answer
    x = 104,291,859.52

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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.