Finding the Fourth Proportional to 77,767,895.76, 107,322,956.80 and 44,728,154.08
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Solution
The fourth proportional to 77,767,895.76, 107,322,956.80 and 44,728,154.08 is: 61,726,727.99
Step by Step Solution
- Step 1: Write the proportion equation
77,767,895.76 : 107,322,956.80 = 44,728,154.08 : x - Step 2: Convert to fraction form
77,767,895.76/107,322,956.80 = 44,728,154.08/x - Step 3: Cross multiply
77,767,895.76x = 107,322,956.80 × 44,728,154.08 - Step 4: Simplify right side
77,767,895.76x = 4,800,357,748,071,583 - Step 5: Solve for x
x = 4,800,357,748,071,583/77,767,895.76 - Step 6: Final answer
x = 61,726,727.99
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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.