Home / 30,611,156.68-42,243,439.35-16,672,566.34

Finding the Fourth Proportional to 30,611,156.68, 42,243,439.35 and 16,672,566.34

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Solution

The fourth proportional to 30,611,156.68, 42,243,439.35 and 16,672,566.34 is: 23,008,165.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,611,156.68 : 42,243,439.35 = 16,672,566.34 : x
  2. Step 2: Convert to fraction form
    30,611,156.68/42,243,439.35 = 16,672,566.34/x
  3. Step 3: Cross multiply
    30,611,156.68x = 42,243,439.35 × 16,672,566.34
  4. Step 4: Simplify right side
    30,611,156.68x = 704,306,544,992,641.50
  5. Step 5: Solve for x
    x = 704,306,544,992,641.50/30,611,156.68
  6. Step 6: Final answer
    x = 23,008,165.04

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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.