Home / 101,991,018.16-140,707,652.68-62,764,693.75

Finding the Fourth Proportional to 101,991,018.16, 140,707,652.68 and 62,764,693.75

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Solution

The fourth proportional to 101,991,018.16, 140,707,652.68 and 62,764,693.75 is: 86,590,690.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,991,018.16 : 140,707,652.68 = 62,764,693.75 : x
  2. Step 2: Convert to fraction form
    101,991,018.16/140,707,652.68 = 62,764,693.75/x
  3. Step 3: Cross multiply
    101,991,018.16x = 140,707,652.68 × 62,764,693.75
  4. Step 4: Simplify right side
    101,991,018.16x = 8,831,472,728,741,567
  5. Step 5: Solve for x
    x = 8,831,472,728,741,567/101,991,018.16
  6. Step 6: Final answer
    x = 86,590,690.91

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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.