Home / 52,017,067.20-78,001,981.20-19,658,215.20

Finding the Fourth Proportional to 52,017,067.20, 78,001,981.20 and 19,658,215.20

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Solution

The fourth proportional to 52,017,067.20, 78,001,981.20 and 19,658,215.20 is: 29,478,396.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,017,067.20 : 78,001,981.20 = 19,658,215.20 : x
  2. Step 2: Convert to fraction form
    52,017,067.20/78,001,981.20 = 19,658,215.20/x
  3. Step 3: Cross multiply
    52,017,067.20x = 78,001,981.20 × 19,658,215.20
  4. Step 4: Simplify right side
    52,017,067.20x = 1,533,379,732,455,954.25
  5. Step 5: Solve for x
    x = 1,533,379,732,455,954.25/52,017,067.20
  6. Step 6: Final answer
    x = 29,478,396.51

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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.