Home / 208,340,639.72-287,483,656.74-114,230,020.52

Finding the Fourth Proportional to 208,340,639.72, 287,483,656.74 and 114,230,020.52

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Solution

The fourth proportional to 208,340,639.72, 287,483,656.74 and 114,230,020.52 is: 157,622,939.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,340,639.72 : 287,483,656.74 = 114,230,020.52 : x
  2. Step 2: Convert to fraction form
    208,340,639.72/287,483,656.74 = 114,230,020.52/x
  3. Step 3: Cross multiply
    208,340,639.72x = 287,483,656.74 × 114,230,020.52
  4. Step 4: Simplify right side
    208,340,639.72x = 32,839,264,008,574,836
  5. Step 5: Solve for x
    x = 32,839,264,008,574,836/208,340,639.72
  6. Step 6: Final answer
    x = 157,622,939.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.