Finding the Fourth Proportional to 361,758,757.16, 542,641,416.12 and 102,973,875.68
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Solution
The fourth proportional to 361,758,757.16, 542,641,416.12 and 102,973,875.68 is: 154,461,747.27
Step by Step Solution
- Step 1: Write the proportion equation
361,758,757.16 : 542,641,416.12 = 102,973,875.68 : x - Step 2: Convert to fraction form
361,758,757.16/542,641,416.12 = 102,973,875.68/x - Step 3: Cross multiply
361,758,757.16x = 542,641,416.12 × 102,973,875.68 - Step 4: Simplify right side
361,758,757.16x = 55,877,889,722,360,032 - Step 5: Solve for x
x = 55,877,889,722,360,032/361,758,757.16 - Step 6: Final answer
x = 154,461,747.27
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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.