Home / 169,666,113.60-254,631,880.80-78,800,961.60

Finding the Fourth Proportional to 169,666,113.60, 254,631,880.80 and 78,800,961.60

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Solution

The fourth proportional to 169,666,113.60, 254,631,880.80 and 78,800,961.60 is: 118,263,079.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,666,113.60 : 254,631,880.80 = 78,800,961.60 : x
  2. Step 2: Convert to fraction form
    169,666,113.60/254,631,880.80 = 78,800,961.60/x
  3. Step 3: Cross multiply
    169,666,113.60x = 254,631,880.80 × 78,800,961.60
  4. Step 4: Simplify right side
    169,666,113.60x = 20,065,237,061,056,576
  5. Step 5: Solve for x
    x = 20,065,237,061,056,576/169,666,113.60
  6. Step 6: Final answer
    x = 118,263,079.38

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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.