Home / 50,698,987.80-76,046,196.42-21,143,007.30

Finding the Fourth Proportional to 50,698,987.80, 76,046,196.42 and 21,143,007.30

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Solution

The fourth proportional to 50,698,987.80, 76,046,196.42 and 21,143,007.30 is: 31,713,557.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,698,987.80 : 76,046,196.42 = 21,143,007.30 : x
  2. Step 2: Convert to fraction form
    50,698,987.80/76,046,196.42 = 21,143,007.30/x
  3. Step 3: Cross multiply
    50,698,987.80x = 76,046,196.42 × 21,143,007.30
  4. Step 4: Simplify right side
    50,698,987.80x = 1,607,845,286,330,467.25
  5. Step 5: Solve for x
    x = 1,607,845,286,330,467.25/50,698,987.80
  6. Step 6: Final answer
    x = 31,713,557.93

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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.