Finding the Fourth Proportional to 96,646,962.42, 133,372,829.90 and 53,186,898.42
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Solution
The fourth proportional to 96,646,962.42, 133,372,829.90 and 53,186,898.42 is: 73,397,931.79
Step by Step Solution
- Step 1: Write the proportion equation
96,646,962.42 : 133,372,829.90 = 53,186,898.42 : x - Step 2: Convert to fraction form
96,646,962.42/133,372,829.90 = 53,186,898.42/x - Step 3: Cross multiply
96,646,962.42x = 133,372,829.90 × 53,186,898.42 - Step 4: Simplify right side
96,646,962.42x = 7,093,687,155,879,239 - Step 5: Solve for x
x = 7,093,687,155,879,239/96,646,962.42 - Step 6: Final answer
x = 73,397,931.79
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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.