Home / 258,702,007.11-388,114,176.21-83,824,752.27

Finding the Fourth Proportional to 258,702,007.11, 388,114,176.21 and 83,824,752.27

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Solution

The fourth proportional to 258,702,007.11, 388,114,176.21 and 83,824,752.27 is: 125,756,947.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,702,007.11 : 388,114,176.21 = 83,824,752.27 : x
  2. Step 2: Convert to fraction form
    258,702,007.11/388,114,176.21 = 83,824,752.27/x
  3. Step 3: Cross multiply
    258,702,007.11x = 388,114,176.21 × 83,824,752.27
  4. Step 4: Simplify right side
    258,702,007.11x = 32,533,574,673,278,376
  5. Step 5: Solve for x
    x = 32,533,574,673,278,376/258,702,007.11
  6. Step 6: Final answer
    x = 125,756,947.30

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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.