Finding the Fourth Proportional to 70,991,772.41, 106,207,474.74 and 53,769,584.81
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Solution
The fourth proportional to 70,991,772.41, 106,207,474.74 and 53,769,584.81 is: 80,442,164.30
Step by Step Solution
- Step 1: Write the proportion equation
70,991,772.41 : 106,207,474.74 = 53,769,584.81 : x - Step 2: Convert to fraction form
70,991,772.41/106,207,474.74 = 53,769,584.81/x - Step 3: Cross multiply
70,991,772.41x = 106,207,474.74 × 53,769,584.81 - Step 4: Simplify right side
70,991,772.41x = 5,710,731,820,488,363 - Step 5: Solve for x
x = 5,710,731,820,488,363/70,991,772.41 - Step 6: Final answer
x = 80,442,164.30
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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.