Home / 145,219,847.66-200,403,393.88-80,029,751.66

Finding the Fourth Proportional to 145,219,847.66, 200,403,393.88 and 80,029,751.66

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Solution

The fourth proportional to 145,219,847.66, 200,403,393.88 and 80,029,751.66 is: 110,441,059.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,219,847.66 : 200,403,393.88 = 80,029,751.66 : x
  2. Step 2: Convert to fraction form
    145,219,847.66/200,403,393.88 = 80,029,751.66/x
  3. Step 3: Cross multiply
    145,219,847.66x = 200,403,393.88 × 80,029,751.66
  4. Step 4: Simplify right side
    145,219,847.66x = 16,038,233,844,037,562
  5. Step 5: Solve for x
    x = 16,038,233,844,037,562/145,219,847.66
  6. Step 6: Final answer
    x = 110,441,059.56

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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.