Home / 255,490,472.16-352,576,505.16-145,482,185.16

Finding the Fourth Proportional to 255,490,472.16, 352,576,505.16 and 145,482,185.16

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Solution

The fourth proportional to 255,490,472.16, 352,576,505.16 and 145,482,185.16 is: 200,765,218.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,490,472.16 : 352,576,505.16 = 145,482,185.16 : x
  2. Step 2: Convert to fraction form
    255,490,472.16/352,576,505.16 = 145,482,185.16/x
  3. Step 3: Cross multiply
    255,490,472.16x = 352,576,505.16 × 145,482,185.16
  4. Step 4: Simplify right side
    255,490,472.16x = 51,293,600,406,752,816
  5. Step 5: Solve for x
    x = 51,293,600,406,752,816/255,490,472.16
  6. Step 6: Final answer
    x = 200,765,218.26

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1.5x scale

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.