Home / 349,550,708.22-524,395,133.89-128,224,102.96

Finding the Fourth Proportional to 349,550,708.22, 524,395,133.89 and 128,224,102.96

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Solution

The fourth proportional to 349,550,708.22, 524,395,133.89 and 128,224,102.96 is: 192,361,491.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,550,708.22 : 524,395,133.89 = 128,224,102.96 : x
  2. Step 2: Convert to fraction form
    349,550,708.22/524,395,133.89 = 128,224,102.96/x
  3. Step 3: Cross multiply
    349,550,708.22x = 524,395,133.89 × 128,224,102.96
  4. Step 4: Simplify right side
    349,550,708.22x = 67,240,095,640,450,128
  5. Step 5: Solve for x
    x = 67,240,095,640,450,128/349,550,708.22
  6. Step 6: Final answer
    x = 192,361,491.65

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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.