Home / 70,328,020.10-105,408,049.35-29,387,380.10

Finding the Fourth Proportional to 70,328,020.10, 105,408,049.35 and 29,387,380.10

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Solution

The fourth proportional to 70,328,020.10, 105,408,049.35 and 29,387,380.10 is: 44,045,977.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,328,020.10 : 105,408,049.35 = 29,387,380.10 : x
  2. Step 2: Convert to fraction form
    70,328,020.10/105,408,049.35 = 29,387,380.10/x
  3. Step 3: Cross multiply
    70,328,020.10x = 105,408,049.35 × 29,387,380.10
  4. Step 4: Simplify right side
    70,328,020.10x = 3,097,666,411,848,008
  5. Step 5: Solve for x
    x = 3,097,666,411,848,008/70,328,020.10
  6. Step 6: Final answer
    x = 44,045,977.80

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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.