Home / 90,410,274.30-124,764,708.51-49,158,205.50

Finding the Fourth Proportional to 90,410,274.30, 124,764,708.51 and 49,158,205.50

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Solution

The fourth proportional to 90,410,274.30, 124,764,708.51 and 49,158,205.50 is: 67,837,524.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,410,274.30 : 124,764,708.51 = 49,158,205.50 : x
  2. Step 2: Convert to fraction form
    90,410,274.30/124,764,708.51 = 49,158,205.50/x
  3. Step 3: Cross multiply
    90,410,274.30x = 124,764,708.51 × 49,158,205.50
  4. Step 4: Simplify right side
    90,410,274.30x = 6,133,209,180,082,179
  5. Step 5: Solve for x
    x = 6,133,209,180,082,179/90,410,274.30
  6. Step 6: Final answer
    x = 67,837,524.30

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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.