Home / 251,952,875.70-377,872,597.35-90,394,811.70

Finding the Fourth Proportional to 251,952,875.70, 377,872,597.35 and 90,394,811.70

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Solution

The fourth proportional to 251,952,875.70, 377,872,597.35 and 90,394,811.70 is: 135,571,869.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,952,875.70 : 377,872,597.35 = 90,394,811.70 : x
  2. Step 2: Convert to fraction form
    251,952,875.70/377,872,597.35 = 90,394,811.70/x
  3. Step 3: Cross multiply
    251,952,875.70x = 377,872,597.35 × 90,394,811.70
  4. Step 4: Simplify right side
    251,952,875.70x = 34,157,722,284,043,172
  5. Step 5: Solve for x
    x = 34,157,722,284,043,172/251,952,875.70
  6. Step 6: Final answer
    x = 135,571,869.10

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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.