Home / 73,131,031.31-100,922,123.54-39,641,607.22

Finding the Fourth Proportional to 73,131,031.31, 100,922,123.54 and 39,641,607.22

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Solution

The fourth proportional to 73,131,031.31, 100,922,123.54 and 39,641,607.22 is: 54,706,122.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,131,031.31 : 100,922,123.54 = 39,641,607.22 : x
  2. Step 2: Convert to fraction form
    73,131,031.31/100,922,123.54 = 39,641,607.22/x
  3. Step 3: Cross multiply
    73,131,031.31x = 100,922,123.54 × 39,641,607.22
  4. Step 4: Simplify right side
    73,131,031.31x = 4,000,715,181,027,795
  5. Step 5: Solve for x
    x = 4,000,715,181,027,795/73,131,031.31
  6. Step 6: Final answer
    x = 54,706,122.82

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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.