Home / 143,546,168.40-215,319,252.60-67,018,664.40

Finding the Fourth Proportional to 143,546,168.40, 215,319,252.60 and 67,018,664.40

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Solution

The fourth proportional to 143,546,168.40, 215,319,252.60 and 67,018,664.40 is: 100,527,996.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,546,168.40 : 215,319,252.60 = 67,018,664.40 : x
  2. Step 2: Convert to fraction form
    143,546,168.40/215,319,252.60 = 67,018,664.40/x
  3. Step 3: Cross multiply
    143,546,168.40x = 215,319,252.60 × 67,018,664.40
  4. Step 4: Simplify right side
    143,546,168.40x = 14,430,408,728,858,226
  5. Step 5: Solve for x
    x = 14,430,408,728,858,226/143,546,168.40
  6. Step 6: Final answer
    x = 100,527,996.60

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1.5x scale

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.