Home / 205,543,428.57-308,333,260.64-57,992,280.98

Finding the Fourth Proportional to 205,543,428.57, 308,333,260.64 and 57,992,280.98

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Solution

The fourth proportional to 205,543,428.57, 308,333,260.64 and 57,992,280.98 is: 86,993,533.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,543,428.57 : 308,333,260.64 = 57,992,280.98 : x
  2. Step 2: Convert to fraction form
    205,543,428.57/308,333,260.64 = 57,992,280.98/x
  3. Step 3: Cross multiply
    205,543,428.57x = 308,333,260.64 × 57,992,280.98
  4. Step 4: Simplify right side
    205,543,428.57x = 17,880,949,085,117,768
  5. Step 5: Solve for x
    x = 17,880,949,085,117,768/205,543,428.57
  6. Step 6: Final answer
    x = 86,993,533.24

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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.