Finding the Fourth Proportional to 315,128,437.26, 434,949,802.83 and 184,790,235.66
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Solution
The fourth proportional to 315,128,437.26, 434,949,802.83 and 184,790,235.66 is: 255,053,073.80
Step by Step Solution
- Step 1: Write the proportion equation
315,128,437.26 : 434,949,802.83 = 184,790,235.66 : x - Step 2: Convert to fraction form
315,128,437.26/434,949,802.83 = 184,790,235.66/x - Step 3: Cross multiply
315,128,437.26x = 434,949,802.83 × 184,790,235.66 - Step 4: Simplify right side
315,128,437.26x = 80,374,476,565,226,224 - Step 5: Solve for x
x = 80,374,476,565,226,224/315,128,437.26 - Step 6: Final answer
x = 255,053,073.80
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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.