Home / 258,223,907.20-356,370,342.72-148,236,880

Finding the Fourth Proportional to 258,223,907.20, 356,370,342.72 and 148,236,880

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Solution

The fourth proportional to 258,223,907.20, 356,370,342.72 and 148,236,880 is: 204,579,151.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,223,907.20 : 356,370,342.72 = 148,236,880 : x
  2. Step 2: Convert to fraction form
    258,223,907.20/356,370,342.72 = 148,236,880/x
  3. Step 3: Cross multiply
    258,223,907.20x = 356,370,342.72 × 148,236,880
  4. Step 4: Simplify right side
    258,223,907.20x = 52,827,227,729,343,520
  5. Step 5: Solve for x
    x = 52,827,227,729,343,520/258,223,907.20
  6. Step 6: Final answer
    x = 204,579,151.10

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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.