Finding the Fourth Proportional to 248,594,064.12, 343,068,090.30 and 135,569,722.73
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Solution
The fourth proportional to 248,594,064.12, 343,068,090.30 and 135,569,722.73 is: 187,090,733.81
Step by Step Solution
- Step 1: Write the proportion equation
248,594,064.12 : 343,068,090.30 = 135,569,722.73 : x - Step 2: Convert to fraction form
248,594,064.12/343,068,090.30 = 135,569,722.73/x - Step 3: Cross multiply
248,594,064.12x = 343,068,090.30 × 135,569,722.73 - Step 4: Simplify right side
248,594,064.12x = 46,509,645,877,766,264 - Step 5: Solve for x
x = 46,509,645,877,766,264/248,594,064.12 - Step 6: Final answer
x = 187,090,733.81
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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.