Home / 145,159,240.80-217,738,861.20-119,629,077.60

Finding the Fourth Proportional to 145,159,240.80, 217,738,861.20 and 119,629,077.60

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Solution

The fourth proportional to 145,159,240.80, 217,738,861.20 and 119,629,077.60 is: 179,443,616.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,159,240.80 : 217,738,861.20 = 119,629,077.60 : x
  2. Step 2: Convert to fraction form
    145,159,240.80/217,738,861.20 = 119,629,077.60/x
  3. Step 3: Cross multiply
    145,159,240.80x = 217,738,861.20 × 119,629,077.60
  4. Step 4: Simplify right side
    145,159,240.80x = 26,047,899,123,030,428
  5. Step 5: Solve for x
    x = 26,047,899,123,030,428/145,159,240.80
  6. Step 6: Final answer
    x = 179,443,616.40

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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.