Home / 253,271,494.90-379,972,742.31-148,315,475.87

Finding the Fourth Proportional to 253,271,494.90, 379,972,742.31 and 148,315,475.87

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Solution

The fourth proportional to 253,271,494.90, 379,972,742.31 and 148,315,475.87 is: 222,511,570.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,271,494.90 : 379,972,742.31 = 148,315,475.87 : x
  2. Step 2: Convert to fraction form
    253,271,494.90/379,972,742.31 = 148,315,475.87/x
  3. Step 3: Cross multiply
    253,271,494.90x = 379,972,742.31 × 148,315,475.87
  4. Step 4: Simplify right side
    253,271,494.90x = 56,355,838,095,000,808
  5. Step 5: Solve for x
    x = 56,355,838,095,000,808/253,271,494.90
  6. Step 6: Final answer
    x = 222,511,570.51

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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.