Finding the Fourth Proportional to 97,033,148.56, 144,807,098.43 and 86,681,757.42
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Solution
The fourth proportional to 97,033,148.56, 144,807,098.43 and 86,681,757.42 is: 129,359,234.09
Step by Step Solution
- Step 1: Write the proportion equation
97,033,148.56 : 144,807,098.43 = 86,681,757.42 : x - Step 2: Convert to fraction form
97,033,148.56/144,807,098.43 = 86,681,757.42/x - Step 3: Cross multiply
97,033,148.56x = 144,807,098.43 × 86,681,757.42 - Step 4: Simplify right side
97,033,148.56x = 12,552,133,778,803,324 - Step 5: Solve for x
x = 12,552,133,778,803,324/97,033,148.56 - Step 6: Final answer
x = 129,359,234.09
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.