Home / 70,102,466.78-105,059,706.12-54,559,063.85

Finding the Fourth Proportional to 70,102,466.78, 105,059,706.12 and 54,559,063.85

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Solution

The fourth proportional to 70,102,466.78, 105,059,706.12 and 54,559,063.85 is: 81,765,442.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,102,466.78 : 105,059,706.12 = 54,559,063.85 : x
  2. Step 2: Convert to fraction form
    70,102,466.78/105,059,706.12 = 54,559,063.85/x
  3. Step 3: Cross multiply
    70,102,466.78x = 105,059,706.12 × 54,559,063.85
  4. Step 4: Simplify right side
    70,102,466.78x = 5,731,959,213,738,017
  5. Step 5: Solve for x
    x = 5,731,959,213,738,017/70,102,466.78
  6. Step 6: Final answer
    x = 81,765,442.46

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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.