Finding the Fourth Proportional to 93,407,044.68, 128,909,689.38 and 52,161,905.16
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Solution
The fourth proportional to 93,407,044.68, 128,909,689.38 and 52,161,905.16 is: 71,987,878.59
Step by Step Solution
- Step 1: Write the proportion equation
93,407,044.68 : 128,909,689.38 = 52,161,905.16 : x - Step 2: Convert to fraction form
93,407,044.68/128,909,689.38 = 52,161,905.16/x - Step 3: Cross multiply
93,407,044.68x = 128,909,689.38 × 52,161,905.16 - Step 4: Simplify right side
93,407,044.68x = 6,724,174,991,644,618 - Step 5: Solve for x
x = 6,724,174,991,644,618/93,407,044.68 - Step 6: Final answer
x = 71,987,878.59
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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.