Finding the Fourth Proportional to 215,318,746.70, 322,593,208.05 and 131,034,682.70
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Solution
The fourth proportional to 215,318,746.70, 322,593,208.05 and 131,034,682.70 is: 196,317,781.46
Step by Step Solution
- Step 1: Write the proportion equation
215,318,746.70 : 322,593,208.05 = 131,034,682.70 : x - Step 2: Convert to fraction form
215,318,746.70/322,593,208.05 = 131,034,682.70/x - Step 3: Cross multiply
215,318,746.70x = 322,593,208.05 × 131,034,682.70 - Step 4: Simplify right side
215,318,746.70x = 42,270,898,658,006,840 - Step 5: Solve for x
x = 42,270,898,658,006,840/215,318,746.70 - Step 6: Final answer
x = 196,317,781.46
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.