Home / 210,306,687,807.42-315,462,455,067.52-76,011,377,046.30

Finding the Fourth Proportional to 210,306,687,807.42, 315,462,455,067.52 and 76,011,377,046.30

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Solution

The fourth proportional to 210,306,687,807.42, 315,462,455,067.52 and 76,011,377,046.30 is: 114,017,941,445.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,306,687,807.42 : 315,462,455,067.52 = 76,011,377,046.30 : x
  2. Step 2: Convert to fraction form
    210,306,687,807.42/315,462,455,067.52 = 76,011,377,046.30/x
  3. Step 3: Cross multiply
    210,306,687,807.42x = 315,462,455,067.52 × 76,011,377,046.30
  4. Step 4: Simplify right side
    210,306,687,807.42x = 23,978,735,616,088,738,889,728
  5. Step 5: Solve for x
    x = 23,978,735,616,088,738,889,728/210,306,687,807.42
  6. Step 6: Final answer
    x = 114,017,941,445.81

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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.