Home / 70,849,607.56-106,280,500.94-19,731,626.44

Finding the Fourth Proportional to 70,849,607.56, 106,280,500.94 and 19,731,626.44

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Solution

The fourth proportional to 70,849,607.56, 106,280,500.94 and 19,731,626.44 is: 29,599,135.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,849,607.56 : 106,280,500.94 = 19,731,626.44 : x
  2. Step 2: Convert to fraction form
    70,849,607.56/106,280,500.94 = 19,731,626.44/x
  3. Step 3: Cross multiply
    70,849,607.56x = 106,280,500.94 × 19,731,626.44
  4. Step 4: Simplify right side
    70,849,607.56x = 2,097,087,142,404,149
  5. Step 5: Solve for x
    x = 2,097,087,142,404,149/70,849,607.56
  6. Step 6: Final answer
    x = 29,599,135.61

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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.