Finding the Fourth Proportional to 93,683,988.16, 129,297,481.12 and 53,983,794.88
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Solution
The fourth proportional to 93,683,988.16, 129,297,481.12 and 53,983,794.88 is: 74,505,460.71
Step by Step Solution
- Step 1: Write the proportion equation
93,683,988.16 : 129,297,481.12 = 53,983,794.88 : x - Step 2: Convert to fraction form
93,683,988.16/129,297,481.12 = 53,983,794.88/x - Step 3: Cross multiply
93,683,988.16x = 129,297,481.12 × 53,983,794.88 - Step 4: Simplify right side
93,683,988.16x = 6,979,968,699,282,753 - Step 5: Solve for x
x = 6,979,968,699,282,753/93,683,988.16 - Step 6: Final answer
x = 74,505,460.71
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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.