Home / 42,378,522.29-63,535,450.55-19,333,340.33

Finding the Fourth Proportional to 42,378,522.29, 63,535,450.55 and 19,333,340.33

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Solution

The fourth proportional to 42,378,522.29, 63,535,450.55 and 19,333,340.33 is: 28,985,260.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,378,522.29 : 63,535,450.55 = 19,333,340.33 : x
  2. Step 2: Convert to fraction form
    42,378,522.29/63,535,450.55 = 19,333,340.33/x
  3. Step 3: Cross multiply
    42,378,522.29x = 63,535,450.55 × 19,333,340.33
  4. Step 4: Simplify right side
    42,378,522.29x = 1,228,352,488,088,691.75
  5. Step 5: Solve for x
    x = 1,228,352,488,088,691.75/42,378,522.29
  6. Step 6: Final answer
    x = 28,985,260.03

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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.