Finding the Fourth Proportional to 77,995,018.29, 107,745,237.99 and 62,293,427.87
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Solution
The fourth proportional to 77,995,018.29, 107,745,237.99 and 62,293,427.87 is: 86,054,473.19
Step by Step Solution
- Step 1: Write the proportion equation
77,995,018.29 : 107,745,237.99 = 62,293,427.87 : x - Step 2: Convert to fraction form
77,995,018.29/107,745,237.99 = 62,293,427.87/x - Step 3: Cross multiply
77,995,018.29x = 107,745,237.99 × 62,293,427.87 - Step 4: Simplify right side
77,995,018.29x = 6,711,820,210,527,322 - Step 5: Solve for x
x = 6,711,820,210,527,322/77,995,018.29 - Step 6: Final answer
x = 86,054,473.19
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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.