Home / 51,388,442.42-70,920,534.79-28,188,053.43

Finding the Fourth Proportional to 51,388,442.42, 70,920,534.79 and 28,188,053.43

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Solution

The fourth proportional to 51,388,442.42, 70,920,534.79 and 28,188,053.43 is: 38,901,973.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,388,442.42 : 70,920,534.79 = 28,188,053.43 : x
  2. Step 2: Convert to fraction form
    51,388,442.42/70,920,534.79 = 28,188,053.43/x
  3. Step 3: Cross multiply
    51,388,442.42x = 70,920,534.79 × 28,188,053.43
  4. Step 4: Simplify right side
    51,388,442.42x = 1,999,111,823,713,977
  5. Step 5: Solve for x
    x = 1,999,111,823,713,977/51,388,442.42
  6. Step 6: Final answer
    x = 38,901,973.47

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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.