Home / 248,247,259.12-342,581,216.23-143,885,864.73

Finding the Fourth Proportional to 248,247,259.12, 342,581,216.23 and 143,885,864.73

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Solution

The fourth proportional to 248,247,259.12, 342,581,216.23 and 143,885,864.73 is: 198,562,492.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,247,259.12 : 342,581,216.23 = 143,885,864.73 : x
  2. Step 2: Convert to fraction form
    248,247,259.12/342,581,216.23 = 143,885,864.73/x
  3. Step 3: Cross multiply
    248,247,259.12x = 342,581,216.23 × 143,885,864.73
  4. Step 4: Simplify right side
    248,247,259.12x = 49,292,594,537,508,656
  5. Step 5: Solve for x
    x = 49,292,594,537,508,656/248,247,259.12
  6. Step 6: Final answer
    x = 198,562,492.54

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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.