Home / 199,709,000.40-299,227,577.40-170,819,605.20

Finding the Fourth Proportional to 199,709,000.40, 299,227,577.40 and 170,819,605.20

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Solution

The fourth proportional to 199,709,000.40, 299,227,577.40 and 170,819,605.20 is: 255,942,078.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,709,000.40 : 299,227,577.40 = 170,819,605.20 : x
  2. Step 2: Convert to fraction form
    199,709,000.40/299,227,577.40 = 170,819,605.20/x
  3. Step 3: Cross multiply
    199,709,000.40x = 299,227,577.40 × 170,819,605.20
  4. Step 4: Simplify right side
    199,709,000.40x = 51,113,936,636,420,432
  5. Step 5: Solve for x
    x = 51,113,936,636,420,432/199,709,000.40
  6. Step 6: Final answer
    x = 255,942,078.39

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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.