Home / 123,905,796.47-185,879,868.95-51,082,768.39

Finding the Fourth Proportional to 123,905,796.47, 185,879,868.95 and 51,082,768.39

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Solution

The fourth proportional to 123,905,796.47, 185,879,868.95 and 51,082,768.39 is: 76,632,882.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,905,796.47 : 185,879,868.95 = 51,082,768.39 : x
  2. Step 2: Convert to fraction form
    123,905,796.47/185,879,868.95 = 51,082,768.39/x
  3. Step 3: Cross multiply
    123,905,796.47x = 185,879,868.95 × 51,082,768.39
  4. Step 4: Simplify right side
    123,905,796.47x = 9,495,258,293,137,458
  5. Step 5: Solve for x
    x = 9,495,258,293,137,458/123,905,796.47
  6. Step 6: Final answer
    x = 76,632,882.11

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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.