Home / 199,627,776.70-299,441,665.05-170,402,458.30

Finding the Fourth Proportional to 199,627,776.70, 299,441,665.05 and 170,402,458.30

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Solution

The fourth proportional to 199,627,776.70, 299,441,665.05 and 170,402,458.30 is: 255,603,687.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,627,776.70 : 299,441,665.05 = 170,402,458.30 : x
  2. Step 2: Convert to fraction form
    199,627,776.70/299,441,665.05 = 170,402,458.30/x
  3. Step 3: Cross multiply
    199,627,776.70x = 299,441,665.05 × 170,402,458.30
  4. Step 4: Simplify right side
    199,627,776.70x = 51,025,595,841,965,200
  5. Step 5: Solve for x
    x = 51,025,595,841,965,200/199,627,776.70
  6. Step 6: Final answer
    x = 255,603,687.45

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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.