Home / 109,342,988.40-164,016,232.20-28,563,956.40

Finding the Fourth Proportional to 109,342,988.40, 164,016,232.20 and 28,563,956.40

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Solution

The fourth proportional to 109,342,988.40, 164,016,232.20 and 28,563,956.40 is: 42,846,391.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,342,988.40 : 164,016,232.20 = 28,563,956.40 : x
  2. Step 2: Convert to fraction form
    109,342,988.40/164,016,232.20 = 28,563,956.40/x
  3. Step 3: Cross multiply
    109,342,988.40x = 164,016,232.20 × 28,563,956.40
  4. Step 4: Simplify right side
    109,342,988.40x = 4,684,952,505,453,075
  5. Step 5: Solve for x
    x = 4,684,952,505,453,075/109,342,988.40
  6. Step 6: Final answer
    x = 42,846,391.65

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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.