Home / 265,803,971.34-398,704,283.96-143,040,116.20

Finding the Fourth Proportional to 265,803,971.34, 398,704,283.96 and 143,040,116.20

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Solution

The fourth proportional to 265,803,971.34, 398,704,283.96 and 143,040,116.20 is: 214,559,273.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,803,971.34 : 398,704,283.96 = 143,040,116.20 : x
  2. Step 2: Convert to fraction form
    265,803,971.34/398,704,283.96 = 143,040,116.20/x
  3. Step 3: Cross multiply
    265,803,971.34x = 398,704,283.96 × 143,040,116.20
  4. Step 4: Simplify right side
    265,803,971.34x = 57,030,707,107,076,192
  5. Step 5: Solve for x
    x = 57,030,707,107,076,192/265,803,971.34
  6. Step 6: Final answer
    x = 214,559,273.96

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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.