Finding the Fourth Proportional to 212,590,140.60, 293,374,392.30 and 114,804,987.96
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Solution
The fourth proportional to 212,590,140.60, 293,374,392.30 and 114,804,987.96 is: 158,430,882.45
Step by Step Solution
- Step 1: Write the proportion equation
212,590,140.60 : 293,374,392.30 = 114,804,987.96 : x - Step 2: Convert to fraction form
212,590,140.60/293,374,392.30 = 114,804,987.96/x - Step 3: Cross multiply
212,590,140.60x = 293,374,392.30 × 114,804,987.96 - Step 4: Simplify right side
212,590,140.60x = 33,680,843,575,773,816 - Step 5: Solve for x
x = 33,680,843,575,773,816/212,590,140.60 - Step 6: Final answer
x = 158,430,882.45
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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.