Home / 147,612,271.89-203,704,927.41-79,717,383.39

Finding the Fourth Proportional to 147,612,271.89, 203,704,927.41 and 79,717,383.39

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Solution

The fourth proportional to 147,612,271.89, 203,704,927.41 and 79,717,383.39 is: 110,009,984.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,612,271.89 : 203,704,927.41 = 79,717,383.39 : x
  2. Step 2: Convert to fraction form
    147,612,271.89/203,704,927.41 = 79,717,383.39/x
  3. Step 3: Cross multiply
    147,612,271.89x = 203,704,927.41 × 79,717,383.39
  4. Step 4: Simplify right side
    147,612,271.89x = 16,238,823,796,775,090
  5. Step 5: Solve for x
    x = 16,238,823,796,775,090/147,612,271.89
  6. Step 6: Final answer
    x = 110,009,984.87

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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.