Home / 147,936,018.60-221,904,027.90-67,156,986.60

Finding the Fourth Proportional to 147,936,018.60, 221,904,027.90 and 67,156,986.60

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Solution

The fourth proportional to 147,936,018.60, 221,904,027.90 and 67,156,986.60 is: 100,735,479.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,936,018.60 : 221,904,027.90 = 67,156,986.60 : x
  2. Step 2: Convert to fraction form
    147,936,018.60/221,904,027.90 = 67,156,986.60/x
  3. Step 3: Cross multiply
    147,936,018.60x = 221,904,027.90 × 67,156,986.60
  4. Step 4: Simplify right side
    147,936,018.60x = 14,902,405,828,166,326
  5. Step 5: Solve for x
    x = 14,902,405,828,166,326/147,936,018.60
  6. Step 6: Final answer
    x = 100,735,479.90

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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.