Home / 205,963,117.51-283,958,640.76-148,628,698.28

Finding the Fourth Proportional to 205,963,117.51, 283,958,640.76 and 148,628,698.28

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Solution

The fourth proportional to 205,963,117.51, 283,958,640.76 and 148,628,698.28 is: 204,912,431.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,963,117.51 : 283,958,640.76 = 148,628,698.28 : x
  2. Step 2: Convert to fraction form
    205,963,117.51/283,958,640.76 = 148,628,698.28/x
  3. Step 3: Cross multiply
    205,963,117.51x = 283,958,640.76 × 148,628,698.28
  4. Step 4: Simplify right side
    205,963,117.51x = 42,204,403,141,516,952
  5. Step 5: Solve for x
    x = 42,204,403,141,516,952/205,963,117.51
  6. Step 6: Final answer
    x = 204,912,431.18

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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.