Home / 78,474,045.34-117,603,451.19-49,668,762.16

Finding the Fourth Proportional to 78,474,045.34, 117,603,451.19 and 49,668,762.16

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Solution

The fourth proportional to 78,474,045.34, 117,603,451.19 and 49,668,762.16 is: 74,435,029.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,474,045.34 : 117,603,451.19 = 49,668,762.16 : x
  2. Step 2: Convert to fraction form
    78,474,045.34/117,603,451.19 = 49,668,762.16/x
  3. Step 3: Cross multiply
    78,474,045.34x = 117,603,451.19 × 49,668,762.16
  4. Step 4: Simplify right side
    78,474,045.34x = 5,841,217,846,622,455
  5. Step 5: Solve for x
    x = 5,841,217,846,622,455/78,474,045.34
  6. Step 6: Final answer
    x = 74,435,029.08

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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.