Home / 149,153,414,703.66-205,831,794,861.70-80,564,827,467.54

Finding the Fourth Proportional to 149,153,414,703.66, 205,831,794,861.70 and 80,564,827,467.54

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Solution

The fourth proportional to 149,153,414,703.66, 205,831,794,861.70 and 80,564,827,467.54 is: 111,179,506,505.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,153,414,703.66 : 205,831,794,861.70 = 80,564,827,467.54 : x
  2. Step 2: Convert to fraction form
    149,153,414,703.66/205,831,794,861.70 = 80,564,827,467.54/x
  3. Step 3: Cross multiply
    149,153,414,703.66x = 205,831,794,861.70 × 80,564,827,467.54
  4. Step 4: Simplify right side
    149,153,414,703.66x = 16,582,803,040,365,919,076,352
  5. Step 5: Solve for x
    x = 16,582,803,040,365,919,076,352/149,153,414,703.66
  6. Step 6: Final answer
    x = 111,179,506,505.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.