Home / 101,143,194.40-139,577,608.76-54,733,448.78

Finding the Fourth Proportional to 101,143,194.40, 139,577,608.76 and 54,733,448.78

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Solution

The fourth proportional to 101,143,194.40, 139,577,608.76 and 54,733,448.78 is: 75,532,159.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,143,194.40 : 139,577,608.76 = 54,733,448.78 : x
  2. Step 2: Convert to fraction form
    101,143,194.40/139,577,608.76 = 54,733,448.78/x
  3. Step 3: Cross multiply
    101,143,194.40x = 139,577,608.76 × 54,733,448.78
  4. Step 4: Simplify right side
    101,143,194.40x = 7,639,563,899,900,339
  5. Step 5: Solve for x
    x = 7,639,563,899,900,339/101,143,194.40
  6. Step 6: Final answer
    x = 75,532,159.58

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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.