Home / 255,403,716.92-352,457,117.74-137,929,036.78

Finding the Fourth Proportional to 255,403,716.92, 352,457,117.74 and 137,929,036.78

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Solution

The fourth proportional to 255,403,716.92, 352,457,117.74 and 137,929,036.78 is: 190,342,064.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,403,716.92 : 352,457,117.74 = 137,929,036.78 : x
  2. Step 2: Convert to fraction form
    255,403,716.92/352,457,117.74 = 137,929,036.78/x
  3. Step 3: Cross multiply
    255,403,716.92x = 352,457,117.74 × 137,929,036.78
  4. Step 4: Simplify right side
    255,403,716.92x = 48,614,070,756,744,856
  5. Step 5: Solve for x
    x = 48,614,070,756,744,856/255,403,716.92
  6. Step 6: Final answer
    x = 190,342,064.49

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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.