Finding the Fourth Proportional to 155,587,454.37, 214,722,926.55 and 88,609,244.71
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Solution
The fourth proportional to 155,587,454.37, 214,722,926.55 and 88,609,244.71 is: 122,287,728.28
Step by Step Solution
- Step 1: Write the proportion equation
155,587,454.37 : 214,722,926.55 = 88,609,244.71 : x - Step 2: Convert to fraction form
155,587,454.37/214,722,926.55 = 88,609,244.71/x - Step 3: Cross multiply
155,587,454.37x = 214,722,926.55 × 88,609,244.71 - Step 4: Simplify right side
155,587,454.37x = 19,026,436,343,516,304 - Step 5: Solve for x
x = 19,026,436,343,516,304/155,587,454.37 - Step 6: Final answer
x = 122,287,728.28
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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.