Home / 77,760,134.40-116,640,201.60-63,399,417.60

Finding the Fourth Proportional to 77,760,134.40, 116,640,201.60 and 63,399,417.60

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Solution

The fourth proportional to 77,760,134.40, 116,640,201.60 and 63,399,417.60 is: 95,099,126.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,760,134.40 : 116,640,201.60 = 63,399,417.60 : x
  2. Step 2: Convert to fraction form
    77,760,134.40/116,640,201.60 = 63,399,417.60/x
  3. Step 3: Cross multiply
    77,760,134.40x = 116,640,201.60 × 63,399,417.60
  4. Step 4: Simplify right side
    77,760,134.40x = 7,394,920,850,186,588
  5. Step 5: Solve for x
    x = 7,394,920,850,186,588/77,760,134.40
  6. Step 6: Final answer
    x = 95,099,126.40

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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.