Finding the Fourth Proportional to 97,152,658.56, 145,580,698.46 and 57,683,188.79
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Solution
The fourth proportional to 97,152,658.56, 145,580,698.46 and 57,683,188.79 is: 86,436,738.19
Step by Step Solution
- Step 1: Write the proportion equation
97,152,658.56 : 145,580,698.46 = 57,683,188.79 : x - Step 2: Convert to fraction form
97,152,658.56/145,580,698.46 = 57,683,188.79/x - Step 3: Cross multiply
97,152,658.56x = 145,580,698.46 × 57,683,188.79 - Step 4: Simplify right side
97,152,658.56x = 8,397,558,912,864,547 - Step 5: Solve for x
x = 8,397,558,912,864,547/97,152,658.56 - Step 6: Final answer
x = 86,436,738.19
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.