Finding the Fourth Proportional to 151,565,683.66, 209,152,055.68 and 85,482,232.18
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Solution
The fourth proportional to 151,565,683.66, 209,152,055.68 and 85,482,232.18 is: 117,960,636.95
Step by Step Solution
- Step 1: Write the proportion equation
151,565,683.66 : 209,152,055.68 = 85,482,232.18 : x - Step 2: Convert to fraction form
151,565,683.66/209,152,055.68 = 85,482,232.18/x - Step 3: Cross multiply
151,565,683.66x = 209,152,055.68 × 85,482,232.18 - Step 4: Simplify right side
151,565,683.66x = 17,878,784,584,562,050 - Step 5: Solve for x
x = 17,878,784,584,562,050/151,565,683.66 - Step 6: Final answer
x = 117,960,636.95
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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.