Home / 29,123,980.20-43,685,970.30-19,543,948.20

Finding the Fourth Proportional to 29,123,980.20, 43,685,970.30 and 19,543,948.20

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Solution

The fourth proportional to 29,123,980.20, 43,685,970.30 and 19,543,948.20 is: 29,315,922.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,123,980.20 : 43,685,970.30 = 19,543,948.20 : x
  2. Step 2: Convert to fraction form
    29,123,980.20/43,685,970.30 = 19,543,948.20/x
  3. Step 3: Cross multiply
    29,123,980.20x = 43,685,970.30 × 19,543,948.20
  4. Step 4: Simplify right side
    29,123,980.20x = 853,796,340,609,938.38
  5. Step 5: Solve for x
    x = 853,796,340,609,938.38/29,123,980.20
  6. Step 6: Final answer
    x = 29,315,922.30

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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.