Finding the Fourth Proportional to 77,213,366.24, 115,819,956.42 and 19,705,643.55
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Solution
The fourth proportional to 77,213,366.24, 115,819,956.42 and 19,705,643.55 is: 29,558,441.61
Step by Step Solution
- Step 1: Write the proportion equation
77,213,366.24 : 115,819,956.42 = 19,705,643.55 : x - Step 2: Convert to fraction form
77,213,366.24/115,819,956.42 = 19,705,643.55/x - Step 3: Cross multiply
77,213,366.24x = 115,819,956.42 × 19,705,643.55 - Step 4: Simplify right side
77,213,366.24x = 2,282,306,777,226,101 - Step 5: Solve for x
x = 2,282,306,777,226,101/77,213,366.24 - Step 6: Final answer
x = 29,558,441.61
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.