Home / 161,660,809.60-242,573,121.60-70,785,289.60

Finding the Fourth Proportional to 161,660,809.60, 242,573,121.60 and 70,785,289.60

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Solution

The fourth proportional to 161,660,809.60, 242,573,121.60 and 70,785,289.60 is: 106,213,798.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,660,809.60 : 242,573,121.60 = 70,785,289.60 : x
  2. Step 2: Convert to fraction form
    161,660,809.60/242,573,121.60 = 70,785,289.60/x
  3. Step 3: Cross multiply
    161,660,809.60x = 242,573,121.60 × 70,785,289.60
  4. Step 4: Simplify right side
    161,660,809.60x = 17,170,608,661,632,014
  5. Step 5: Solve for x
    x = 17,170,608,661,632,014/161,660,809.60
  6. Step 6: Final answer
    x = 106,213,798.53

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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.