Home / 209,485,530.01-289,099,000.51-116,666,037.55

Finding the Fourth Proportional to 209,485,530.01, 289,099,000.51 and 116,666,037.55

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Solution

The fourth proportional to 209,485,530.01, 289,099,000.51 and 116,666,037.55 is: 161,004,126.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,485,530.01 : 289,099,000.51 = 116,666,037.55 : x
  2. Step 2: Convert to fraction form
    209,485,530.01/289,099,000.51 = 116,666,037.55/x
  3. Step 3: Cross multiply
    209,485,530.01x = 289,099,000.51 × 116,666,037.55
  4. Step 4: Simplify right side
    209,485,530.01x = 33,728,034,849,893,668
  5. Step 5: Solve for x
    x = 33,728,034,849,893,668/209,485,530.01
  6. Step 6: Final answer
    x = 161,004,126.86

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1.5x scale

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.