Finding the Fourth Proportional to 97,055,043.41, 145,654,869.47 and 71,214,119.66
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Solution
The fourth proportional to 97,055,043.41, 145,654,869.47 and 71,214,119.66 is: 106,874,232.79
Step by Step Solution
- Step 1: Write the proportion equation
97,055,043.41 : 145,654,869.47 = 71,214,119.66 : x - Step 2: Convert to fraction form
97,055,043.41/145,654,869.47 = 71,214,119.66/x - Step 3: Cross multiply
97,055,043.41x = 145,654,869.47 × 71,214,119.66 - Step 4: Simplify right side
97,055,043.41x = 10,372,683,303,506,326 - Step 5: Solve for x
x = 10,372,683,303,506,326/97,055,043.41 - Step 6: Final answer
x = 106,874,232.79
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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.