Home / 205,458,644-283,532,860.32-112,637,160.32

Finding the Fourth Proportional to 205,458,644, 283,532,860.32 and 112,637,160.32

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Solution

The fourth proportional to 205,458,644, 283,532,860.32 and 112,637,160.32 is: 155,439,243.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,458,644 : 283,532,860.32 = 112,637,160.32 : x
  2. Step 2: Convert to fraction form
    205,458,644/283,532,860.32 = 112,637,160.32/x
  3. Step 3: Cross multiply
    205,458,644x = 283,532,860.32 × 112,637,160.32
  4. Step 4: Simplify right side
    205,458,644x = 31,936,336,243,852,004
  5. Step 5: Solve for x
    x = 31,936,336,243,852,004/205,458,644
  6. Step 6: Final answer
    x = 155,439,243.74

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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.