Home / 72,669,698,897.30-109,004,548,345.95-71,037,112,145.30

Finding the Fourth Proportional to 72,669,698,897.30, 109,004,548,345.95 and 71,037,112,145.30

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Solution

The fourth proportional to 72,669,698,897.30, 109,004,548,345.95 and 71,037,112,145.30 is: 106,555,668,217.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,669,698,897.30 : 109,004,548,345.95 = 71,037,112,145.30 : x
  2. Step 2: Convert to fraction form
    72,669,698,897.30/109,004,548,345.95 = 71,037,112,145.30/x
  3. Step 3: Cross multiply
    72,669,698,897.30x = 109,004,548,345.95 × 71,037,112,145.30
  4. Step 4: Simplify right side
    72,669,698,897.30x = 7,743,368,325,199,025,930,240
  5. Step 5: Solve for x
    x = 7,743,368,325,199,025,930,240/72,669,698,897.30
  6. Step 6: Final answer
    x = 106,555,668,217.95

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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.