Home / 131,415,666.54-181,376,384.52-79,204,770.37

Finding the Fourth Proportional to 131,415,666.54, 181,376,384.52 and 79,204,770.37

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Solution

The fourth proportional to 131,415,666.54, 181,376,384.52 and 79,204,770.37 is: 109,316,303.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,415,666.54 : 181,376,384.52 = 79,204,770.37 : x
  2. Step 2: Convert to fraction form
    131,415,666.54/181,376,384.52 = 79,204,770.37/x
  3. Step 3: Cross multiply
    131,415,666.54x = 181,376,384.52 × 79,204,770.37
  4. Step 4: Simplify right side
    131,415,666.54x = 14,365,874,886,447,424
  5. Step 5: Solve for x
    x = 14,365,874,886,447,424/131,415,666.54
  6. Step 6: Final answer
    x = 109,316,303.49

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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.