Home / 299,383,721.10-449,075,581.65-138,140,585.10

Finding the Fourth Proportional to 299,383,721.10, 449,075,581.65 and 138,140,585.10

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Solution

The fourth proportional to 299,383,721.10, 449,075,581.65 and 138,140,585.10 is: 207,210,877.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,383,721.10 : 449,075,581.65 = 138,140,585.10 : x
  2. Step 2: Convert to fraction form
    299,383,721.10/449,075,581.65 = 138,140,585.10/x
  3. Step 3: Cross multiply
    299,383,721.10x = 449,075,581.65 × 138,140,585.10
  4. Step 4: Simplify right side
    299,383,721.10x = 62,035,563,603,253,816
  5. Step 5: Solve for x
    x = 62,035,563,603,253,816/299,383,721.10
  6. Step 6: Final answer
    x = 207,210,877.65

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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.