Finding the Fourth Proportional to 142,063,210.88, 194,623,342.14 and 136,751,854.29
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Solution
The fourth proportional to 142,063,210.88, 194,623,342.14 and 136,751,854.29 is: 187,346,905.37
Step by Step Solution
- Step 1: Write the proportion equation
142,063,210.88 : 194,623,342.14 = 136,751,854.29 : x - Step 2: Convert to fraction form
142,063,210.88/194,623,342.14 = 136,751,854.29/x - Step 3: Cross multiply
142,063,210.88x = 194,623,342.14 × 136,751,854.29 - Step 4: Simplify right side
142,063,210.88x = 26,615,102,925,420,212 - Step 5: Solve for x
x = 26,615,102,925,420,212/142,063,210.88 - Step 6: Final answer
x = 187,346,905.37
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.