Home / 30,611,161.18-42,243,445.56-16,672,570.84

Finding the Fourth Proportional to 30,611,161.18, 42,243,445.56 and 16,672,570.84

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Solution

The fourth proportional to 30,611,161.18, 42,243,445.56 and 16,672,570.84 is: 23,008,171.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,611,161.18 : 42,243,445.56 = 16,672,570.84 : x
  2. Step 2: Convert to fraction form
    30,611,161.18/42,243,445.56 = 16,672,570.84/x
  3. Step 3: Cross multiply
    30,611,161.18x = 42,243,445.56 × 16,672,570.84
  4. Step 4: Simplify right side
    30,611,161.18x = 704,306,838,624,783.50
  5. Step 5: Solve for x
    x = 704,306,838,624,783.50/30,611,161.18
  6. Step 6: Final answer
    x = 23,008,171.25

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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.