Home / 253,285,476.27-349,537,526.95-145,935,469.44

Finding the Fourth Proportional to 253,285,476.27, 349,537,526.95 and 145,935,469.44

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Solution

The fourth proportional to 253,285,476.27, 349,537,526.95 and 145,935,469.44 is: 201,393,004.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,285,476.27 : 349,537,526.95 = 145,935,469.44 : x
  2. Step 2: Convert to fraction form
    253,285,476.27/349,537,526.95 = 145,935,469.44/x
  3. Step 3: Cross multiply
    253,285,476.27x = 349,537,526.95 × 145,935,469.44
  4. Step 4: Simplify right side
    253,285,476.27x = 51,009,923,083,046,408
  5. Step 5: Solve for x
    x = 51,009,923,083,046,408/253,285,476.27
  6. Step 6: Final answer
    x = 201,393,004.58

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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.