Home / 107,610,771.78-148,465,846.44-65,237,996.70

Finding the Fourth Proportional to 107,610,771.78, 148,465,846.44 and 65,237,996.70

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Solution

The fourth proportional to 107,610,771.78, 148,465,846.44 and 65,237,996.70 is: 90,005,993.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,610,771.78 : 148,465,846.44 = 65,237,996.70 : x
  2. Step 2: Convert to fraction form
    107,610,771.78/148,465,846.44 = 65,237,996.70/x
  3. Step 3: Cross multiply
    107,610,771.78x = 148,465,846.44 × 65,237,996.70
  4. Step 4: Simplify right side
    107,610,771.78x = 9,685,614,400,115,428
  5. Step 5: Solve for x
    x = 9,685,614,400,115,428/107,610,771.78
  6. Step 6: Final answer
    x = 90,005,993.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.