Home / 152,452,821.27-210,384,458.60-82,838,183.70

Finding the Fourth Proportional to 152,452,821.27, 210,384,458.60 and 82,838,183.70

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Solution

The fourth proportional to 152,452,821.27, 210,384,458.60 and 82,838,183.70 is: 114,316,457.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,452,821.27 : 210,384,458.60 = 82,838,183.70 : x
  2. Step 2: Convert to fraction form
    152,452,821.27/210,384,458.60 = 82,838,183.70/x
  3. Step 3: Cross multiply
    152,452,821.27x = 210,384,458.60 × 82,838,183.70
  4. Step 4: Simplify right side
    152,452,821.27x = 17,427,866,429,131,844
  5. Step 5: Solve for x
    x = 17,427,866,429,131,844/152,452,821.27
  6. Step 6: Final answer
    x = 114,316,457.27

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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.