Home / 201,075,423.70-301,613,135.55-142,404,337.30

Finding the Fourth Proportional to 201,075,423.70, 301,613,135.55 and 142,404,337.30

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Solution

The fourth proportional to 201,075,423.70, 301,613,135.55 and 142,404,337.30 is: 213,606,505.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,075,423.70 : 301,613,135.55 = 142,404,337.30 : x
  2. Step 2: Convert to fraction form
    201,075,423.70/301,613,135.55 = 142,404,337.30/x
  3. Step 3: Cross multiply
    201,075,423.70x = 301,613,135.55 × 142,404,337.30
  4. Step 4: Simplify right side
    201,075,423.70x = 42,951,018,688,972,824
  5. Step 5: Solve for x
    x = 42,951,018,688,972,824/201,075,423.70
  6. Step 6: Final answer
    x = 213,606,505.95

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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.