Home / 260,439,671.34-359,405,327.49-142,967,000.25

Finding the Fourth Proportional to 260,439,671.34, 359,405,327.49 and 142,967,000.25

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Solution

The fourth proportional to 260,439,671.34, 359,405,327.49 and 142,967,000.25 is: 197,293,681.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,439,671.34 : 359,405,327.49 = 142,967,000.25 : x
  2. Step 2: Convert to fraction form
    260,439,671.34/359,405,327.49 = 142,967,000.25/x
  3. Step 3: Cross multiply
    260,439,671.34x = 359,405,327.49 × 142,967,000.25
  4. Step 4: Simplify right side
    260,439,671.34x = 51,383,101,545,114,160
  5. Step 5: Solve for x
    x = 51,383,101,545,114,160/260,439,671.34
  6. Step 6: Final answer
    x = 197,293,681.41

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1.5x scale

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.