Finding the Fourth Proportional to 176,426,251.68, 243,432,548.64 and 103,073,221.92
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Solution
The fourth proportional to 176,426,251.68, 243,432,548.64 and 103,073,221.92 is: 142,220,201.75
Step by Step Solution
- Step 1: Write the proportion equation
176,426,251.68 : 243,432,548.64 = 103,073,221.92 : x - Step 2: Convert to fraction form
176,426,251.68/243,432,548.64 = 103,073,221.92/x - Step 3: Cross multiply
176,426,251.68x = 243,432,548.64 × 103,073,221.92 - Step 4: Simplify right side
176,426,251.68x = 25,091,377,108,521,912 - Step 5: Solve for x
x = 25,091,377,108,521,912/176,426,251.68 - Step 6: Final answer
x = 142,220,201.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.