Home / 268,136,660.70-402,212,538.30-74,048,076.74

Finding the Fourth Proportional to 268,136,660.70, 402,212,538.30 and 74,048,076.74

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Solution

The fourth proportional to 268,136,660.70, 402,212,538.30 and 74,048,076.74 is: 111,074,199.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,136,660.70 : 402,212,538.30 = 74,048,076.74 : x
  2. Step 2: Convert to fraction form
    268,136,660.70/402,212,538.30 = 74,048,076.74/x
  3. Step 3: Cross multiply
    268,136,660.70x = 402,212,538.30 × 74,048,076.74
  4. Step 4: Simplify right side
    268,136,660.70x = 29,783,064,901,828,588
  5. Step 5: Solve for x
    x = 29,783,064,901,828,588/268,136,660.70
  6. Step 6: Final answer
    x = 111,074,199.34

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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.