Home / 349,550,664.93-524,395,069.25-128,224,059.84

Finding the Fourth Proportional to 349,550,664.93, 524,395,069.25 and 128,224,059.84

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Solution

The fourth proportional to 349,550,664.93, 524,395,069.25 and 128,224,059.84 is: 192,361,427.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,550,664.93 : 524,395,069.25 = 128,224,059.84 : x
  2. Step 2: Convert to fraction form
    349,550,664.93/524,395,069.25 = 128,224,059.84/x
  3. Step 3: Cross multiply
    349,550,664.93x = 524,395,069.25 × 128,224,059.84
  4. Step 4: Simplify right side
    349,550,664.93x = 67,240,064,738,671,824
  5. Step 5: Solve for x
    x = 67,240,064,738,671,824/349,550,664.93
  6. Step 6: Final answer
    x = 192,361,427.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.