Finding the Fourth Proportional to 214,912,828.40, 322,432,490.64 and 69,343,658.96
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Solution
The fourth proportional to 214,912,828.40, 322,432,490.64 and 69,343,658.96 is: 104,035,896.02
Step by Step Solution
- Step 1: Write the proportion equation
214,912,828.40 : 322,432,490.64 = 69,343,658.96 : x - Step 2: Convert to fraction form
214,912,828.40/322,432,490.64 = 69,343,658.96/x - Step 3: Cross multiply
214,912,828.40x = 322,432,490.64 × 69,343,658.96 - Step 4: Simplify right side
214,912,828.40x = 22,358,648,668,563,548 - Step 5: Solve for x
x = 22,358,648,668,563,548/214,912,828.40 - Step 6: Final answer
x = 104,035,896.02
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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.