Home / 103,412,017.20-142,708,548.96-57,003,046.20

Finding the Fourth Proportional to 103,412,017.20, 142,708,548.96 and 57,003,046.20

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Solution

The fourth proportional to 103,412,017.20, 142,708,548.96 and 57,003,046.20 is: 78,664,184.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,412,017.20 : 142,708,548.96 = 57,003,046.20 : x
  2. Step 2: Convert to fraction form
    103,412,017.20/142,708,548.96 = 57,003,046.20/x
  3. Step 3: Cross multiply
    103,412,017.20x = 142,708,548.96 × 57,003,046.20
  4. Step 4: Simplify right side
    103,412,017.20x = 8,134,822,009,501,843
  5. Step 5: Solve for x
    x = 8,134,822,009,501,843/103,412,017.20
  6. Step 6: Final answer
    x = 78,664,184.59

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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.