Home / 130,003,129-179,404,343.94-72,056,377

Finding the Fourth Proportional to 130,003,129, 179,404,343.94 and 72,056,377

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Solution

The fourth proportional to 130,003,129, 179,404,343.94 and 72,056,377 is: 99,437,814.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,003,129 : 179,404,343.94 = 72,056,377 : x
  2. Step 2: Convert to fraction form
    130,003,129/179,404,343.94 = 72,056,377/x
  3. Step 3: Cross multiply
    130,003,129x = 179,404,343.94 × 72,056,377
  4. Step 4: Simplify right side
    130,003,129x = 12,927,227,042,378,306
  5. Step 5: Solve for x
    x = 12,927,227,042,378,306/130,003,129
  6. Step 6: Final answer
    x = 99,437,814.63

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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.