Home / 56,882,952.78-78,497,915.99-30,776,897.81

Finding the Fourth Proportional to 56,882,952.78, 78,497,915.99 and 30,776,897.81

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Solution

The fourth proportional to 56,882,952.78, 78,497,915.99 and 30,776,897.81 is: 42,471,816.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,882,952.78 : 78,497,915.99 = 30,776,897.81 : x
  2. Step 2: Convert to fraction form
    56,882,952.78/78,497,915.99 = 30,776,897.81/x
  3. Step 3: Cross multiply
    56,882,952.78x = 78,497,915.99 × 30,776,897.81
  4. Step 4: Simplify right side
    56,882,952.78x = 2,415,922,338,175,821
  5. Step 5: Solve for x
    x = 2,415,922,338,175,821/56,882,952.78
  6. Step 6: Final answer
    x = 42,471,816.60

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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.