Home / 30,543,848.56-42,151,342.48-16,606,141.48

Finding the Fourth Proportional to 30,543,848.56, 42,151,342.48 and 16,606,141.48

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Solution

The fourth proportional to 30,543,848.56, 42,151,342.48 and 16,606,141.48 is: 22,916,927.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,543,848.56 : 42,151,342.48 = 16,606,141.48 : x
  2. Step 2: Convert to fraction form
    30,543,848.56/42,151,342.48 = 16,606,141.48/x
  3. Step 3: Cross multiply
    30,543,848.56x = 42,151,342.48 × 16,606,141.48
  4. Step 4: Simplify right side
    30,543,848.56x = 699,971,156,647,920.25
  5. Step 5: Solve for x
    x = 699,971,156,647,920.25/30,543,848.56
  6. Step 6: Final answer
    x = 22,916,927.29

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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.