Home / 42,557,900.70-63,845,145.45-18,296,780.70

Finding the Fourth Proportional to 42,557,900.70, 63,845,145.45 and 18,296,780.70

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Solution

The fourth proportional to 42,557,900.70, 63,845,145.45 and 18,296,780.70 is: 27,448,737.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,557,900.70 : 63,845,145.45 = 18,296,780.70 : x
  2. Step 2: Convert to fraction form
    42,557,900.70/63,845,145.45 = 18,296,780.70/x
  3. Step 3: Cross multiply
    42,557,900.70x = 63,845,145.45 × 18,296,780.70
  4. Step 4: Simplify right side
    42,557,900.70x = 1,168,160,625,058,252.75
  5. Step 5: Solve for x
    x = 1,168,160,625,058,252.75/42,557,900.70
  6. Step 6: Final answer
    x = 27,448,737.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.