Home / 119,760,189.80-179,640,284.70-43,085,719.40

Finding the Fourth Proportional to 119,760,189.80, 179,640,284.70 and 43,085,719.40

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Solution

The fourth proportional to 119,760,189.80, 179,640,284.70 and 43,085,719.40 is: 64,628,579.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,760,189.80 : 179,640,284.70 = 43,085,719.40 : x
  2. Step 2: Convert to fraction form
    119,760,189.80/179,640,284.70 = 43,085,719.40/x
  3. Step 3: Cross multiply
    119,760,189.80x = 179,640,284.70 × 43,085,719.40
  4. Step 4: Simplify right side
    119,760,189.80x = 7,739,930,899,520,312
  5. Step 5: Solve for x
    x = 7,739,930,899,520,312/119,760,189.80
  6. Step 6: Final answer
    x = 64,628,579.10

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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.