Home / 139,968,119.80-209,952,179.70-105,480,004.60

Finding the Fourth Proportional to 139,968,119.80, 209,952,179.70 and 105,480,004.60

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Solution

The fourth proportional to 139,968,119.80, 209,952,179.70 and 105,480,004.60 is: 158,220,006.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,119.80 : 209,952,179.70 = 105,480,004.60 : x
  2. Step 2: Convert to fraction form
    139,968,119.80/209,952,179.70 = 105,480,004.60/x
  3. Step 3: Cross multiply
    139,968,119.80x = 209,952,179.70 × 105,480,004.60
  4. Step 4: Simplify right side
    139,968,119.80x = 22,145,756,880,536,024
  5. Step 5: Solve for x
    x = 22,145,756,880,536,024/139,968,119.80
  6. Step 6: Final answer
    x = 158,220,006.90

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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.