Home / 134,715,629.34-185,907,411.09-72,835,820.28

Finding the Fourth Proportional to 134,715,629.34, 185,907,411.09 and 72,835,820.28

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Solution

The fourth proportional to 134,715,629.34, 185,907,411.09 and 72,835,820.28 is: 100,513,346.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,715,629.34 : 185,907,411.09 = 72,835,820.28 : x
  2. Step 2: Convert to fraction form
    134,715,629.34/185,907,411.09 = 72,835,820.28/x
  3. Step 3: Cross multiply
    134,715,629.34x = 185,907,411.09 × 72,835,820.28
  4. Step 4: Simplify right side
    134,715,629.34x = 13,540,718,782,871,320
  5. Step 5: Solve for x
    x = 13,540,718,782,871,320/134,715,629.34
  6. Step 6: Final answer
    x = 100,513,346.89

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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.