Home / 262,197,000.70-393,295,501.05-89,679,442.30

Finding the Fourth Proportional to 262,197,000.70, 393,295,501.05 and 89,679,442.30

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Solution

The fourth proportional to 262,197,000.70, 393,295,501.05 and 89,679,442.30 is: 134,519,163.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,197,000.70 : 393,295,501.05 = 89,679,442.30 : x
  2. Step 2: Convert to fraction form
    262,197,000.70/393,295,501.05 = 89,679,442.30/x
  3. Step 3: Cross multiply
    262,197,000.70x = 393,295,501.05 × 89,679,442.30
  4. Step 4: Simplify right side
    262,197,000.70x = 35,270,521,193,263,064
  5. Step 5: Solve for x
    x = 35,270,521,193,263,064/262,197,000.70
  6. Step 6: Final answer
    x = 134,519,163.45

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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.