Home / 115,014,906.40-172,522,359.60-105,609,056.80

Finding the Fourth Proportional to 115,014,906.40, 172,522,359.60 and 105,609,056.80

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Solution

The fourth proportional to 115,014,906.40, 172,522,359.60 and 105,609,056.80 is: 158,413,585.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,014,906.40 : 172,522,359.60 = 105,609,056.80 : x
  2. Step 2: Convert to fraction form
    115,014,906.40/172,522,359.60 = 105,609,056.80/x
  3. Step 3: Cross multiply
    115,014,906.40x = 172,522,359.60 × 105,609,056.80
  4. Step 4: Simplify right side
    115,014,906.40x = 18,219,923,674,266,424
  5. Step 5: Solve for x
    x = 18,219,923,674,266,424/115,014,906.40
  6. Step 6: Final answer
    x = 158,413,585.20

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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.