Home / 101,143,231.28-139,577,659.66-54,733,485.65

Finding the Fourth Proportional to 101,143,231.28, 139,577,659.66 and 54,733,485.65

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Solution

The fourth proportional to 101,143,231.28, 139,577,659.66 and 54,733,485.65 is: 75,532,210.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,143,231.28 : 139,577,659.66 = 54,733,485.65 : x
  2. Step 2: Convert to fraction form
    101,143,231.28/139,577,659.66 = 54,733,485.65/x
  3. Step 3: Cross multiply
    101,143,231.28x = 139,577,659.66 × 54,733,485.65
  4. Step 4: Simplify right side
    101,143,231.28x = 7,639,571,831,787,526
  5. Step 5: Solve for x
    x = 7,639,571,831,787,526/101,143,231.28
  6. Step 6: Final answer
    x = 75,532,210.47

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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.