Finding the Fourth Proportional to 86,445,898.05, 129,461,073.50 and 49,445,616.35
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Solution
The fourth proportional to 86,445,898.05, 129,461,073.50 and 49,445,616.35 is: 74,049,581.49
Step by Step Solution
- Step 1: Write the proportion equation
86,445,898.05 : 129,461,073.50 = 49,445,616.35 : x - Step 2: Convert to fraction form
86,445,898.05/129,461,073.50 = 49,445,616.35/x - Step 3: Cross multiply
86,445,898.05x = 129,461,073.50 × 49,445,616.35 - Step 4: Simplify right side
86,445,898.05x = 6,401,282,572,616,576 - Step 5: Solve for x
x = 6,401,282,572,616,576/86,445,898.05 - Step 6: Final answer
x = 74,049,581.49
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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.