Home / 126,110,032.37-174,043,823.74-79,074,551.42

Finding the Fourth Proportional to 126,110,032.37, 174,043,823.74 and 79,074,551.42

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Solution

The fourth proportional to 126,110,032.37, 174,043,823.74 and 79,074,551.42 is: 109,130,392.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,110,032.37 : 174,043,823.74 = 79,074,551.42 : x
  2. Step 2: Convert to fraction form
    126,110,032.37/174,043,823.74 = 79,074,551.42/x
  3. Step 3: Cross multiply
    126,110,032.37x = 174,043,823.74 × 79,074,551.42
  4. Step 4: Simplify right side
    126,110,032.37x = 13,762,437,288,594,144
  5. Step 5: Solve for x
    x = 13,762,437,288,594,144/126,110,032.37
  6. Step 6: Final answer
    x = 109,130,392.17

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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.