Home / 74,156,968.90-111,235,453.35-51,198,717.70

Finding the Fourth Proportional to 74,156,968.90, 111,235,453.35 and 51,198,717.70

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Solution

The fourth proportional to 74,156,968.90, 111,235,453.35 and 51,198,717.70 is: 76,798,076.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,156,968.90 : 111,235,453.35 = 51,198,717.70 : x
  2. Step 2: Convert to fraction form
    74,156,968.90/111,235,453.35 = 51,198,717.70/x
  3. Step 3: Cross multiply
    74,156,968.90x = 111,235,453.35 × 51,198,717.70
  4. Step 4: Simplify right side
    74,156,968.90x = 5,695,112,574,298,169
  5. Step 5: Solve for x
    x = 5,695,112,574,298,169/74,156,968.90
  6. Step 6: Final answer
    x = 76,798,076.55

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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.