Home / 117,398,629.58-161,973,777.51-67,820,913.81

Finding the Fourth Proportional to 117,398,629.58, 161,973,777.51 and 67,820,913.81

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Solution

The fourth proportional to 117,398,629.58, 161,973,777.51 and 67,820,913.81 is: 93,571,872.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,398,629.58 : 161,973,777.51 = 67,820,913.81 : x
  2. Step 2: Convert to fraction form
    117,398,629.58/161,973,777.51 = 67,820,913.81/x
  3. Step 3: Cross multiply
    117,398,629.58x = 161,973,777.51 × 67,820,913.81
  4. Step 4: Simplify right side
    117,398,629.58x = 10,985,209,603,985,826
  5. Step 5: Solve for x
    x = 10,985,209,603,985,826/117,398,629.58
  6. Step 6: Final answer
    x = 93,571,872.55

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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.