Finding the Fourth Proportional to 243,163,886.79, 335,565,720.16 and 131,654,713.94
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Solution
The fourth proportional to 243,163,886.79, 335,565,720.16 and 131,654,713.94 is: 181,683,265.06
Step by Step Solution
- Step 1: Write the proportion equation
243,163,886.79 : 335,565,720.16 = 131,654,713.94 : x - Step 2: Convert to fraction form
243,163,886.79/335,565,720.16 = 131,654,713.94/x - Step 3: Cross multiply
243,163,886.79x = 335,565,720.16 × 131,654,713.94 - Step 4: Simplify right side
243,163,886.79x = 44,178,808,895,734,896 - Step 5: Solve for x
x = 44,178,808,895,734,896/243,163,886.79 - Step 6: Final answer
x = 181,683,265.06
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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.