Home / 265,803,970.34-398,704,282.46-143,040,115.20

Finding the Fourth Proportional to 265,803,970.34, 398,704,282.46 and 143,040,115.20

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Solution

The fourth proportional to 265,803,970.34, 398,704,282.46 and 143,040,115.20 is: 214,559,272.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,803,970.34 : 398,704,282.46 = 143,040,115.20 : x
  2. Step 2: Convert to fraction form
    265,803,970.34/398,704,282.46 = 143,040,115.20/x
  3. Step 3: Cross multiply
    265,803,970.34x = 398,704,282.46 × 143,040,115.20
  4. Step 4: Simplify right side
    265,803,970.34x = 57,030,706,493,811,728
  5. Step 5: Solve for x
    x = 57,030,706,493,811,728/265,803,970.34
  6. Step 6: Final answer
    x = 214,559,272.46

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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.