Finding the Fourth Proportional to 125,412,312.62, 188,142,694.81 and 47,683,172.81
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Solution
The fourth proportional to 125,412,312.62, 188,142,694.81 and 47,683,172.81 is: 71,533,970.17
Step by Step Solution
- Step 1: Write the proportion equation
125,412,312.62 : 188,142,694.81 = 47,683,172.81 : x - Step 2: Convert to fraction form
125,412,312.62/188,142,694.81 = 47,683,172.81/x - Step 3: Cross multiply
125,412,312.62x = 188,142,694.81 × 47,683,172.81 - Step 4: Simplify right side
125,412,312.62x = 8,971,240,629,564,321 - Step 5: Solve for x
x = 8,971,240,629,564,321/125,412,312.62 - Step 6: Final answer
x = 71,533,970.17
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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.