Home / 123,905,798.70-185,879,872.32-51,082,770.62

Finding the Fourth Proportional to 123,905,798.70, 185,879,872.32 and 51,082,770.62

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Solution

The fourth proportional to 123,905,798.70, 185,879,872.32 and 51,082,770.62 is: 76,632,885.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,905,798.70 : 185,879,872.32 = 51,082,770.62 : x
  2. Step 2: Convert to fraction form
    123,905,798.70/185,879,872.32 = 51,082,770.62/x
  3. Step 3: Cross multiply
    123,905,798.70x = 185,879,872.32 × 51,082,770.62
  4. Step 4: Simplify right side
    123,905,798.70x = 9,495,258,879,412,634
  5. Step 5: Solve for x
    x = 9,495,258,879,412,634/123,905,798.70
  6. Step 6: Final answer
    x = 76,632,885.46

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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.