Home / 258,112,161.41-356,194,834.02-140,637,491.64

Finding the Fourth Proportional to 258,112,161.41, 356,194,834.02 and 140,637,491.64

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Solution

The fourth proportional to 258,112,161.41, 356,194,834.02 and 140,637,491.64 is: 194,079,766.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,112,161.41 : 356,194,834.02 = 140,637,491.64 : x
  2. Step 2: Convert to fraction form
    258,112,161.41/356,194,834.02 = 140,637,491.64/x
  3. Step 3: Cross multiply
    258,112,161.41x = 356,194,834.02 × 140,637,491.64
  4. Step 4: Simplify right side
    258,112,161.41x = 50,094,347,991,698,928
  5. Step 5: Solve for x
    x = 50,094,347,991,698,928/258,112,161.41
  6. Step 6: Final answer
    x = 194,079,766.40

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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.