Home / 101,143,272.80-139,577,716.64-54,733,526.70

Finding the Fourth Proportional to 101,143,272.80, 139,577,716.64 and 54,733,526.70

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Solution

The fourth proportional to 101,143,272.80, 139,577,716.64 and 54,733,526.70 is: 75,532,266.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,143,272.80 : 139,577,716.64 = 54,733,526.70 : x
  2. Step 2: Convert to fraction form
    101,143,272.80/139,577,716.64 = 54,733,526.70/x
  3. Step 3: Cross multiply
    101,143,272.80x = 139,577,716.64 × 54,733,526.70
  4. Step 4: Simplify right side
    101,143,272.80x = 7,639,580,680,440,474
  5. Step 5: Solve for x
    x = 7,639,580,680,440,474/101,143,272.80
  6. Step 6: Final answer
    x = 75,532,266.94

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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.