Finding the Fourth Proportional to 157,807,677.80, 217,781,320.93 and 88,193,056.63
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Solution
The fourth proportional to 157,807,677.80, 217,781,320.93 and 88,193,056.63 is: 121,710,176.83
Step by Step Solution
- Step 1: Write the proportion equation
157,807,677.80 : 217,781,320.93 = 88,193,056.63 : x - Step 2: Convert to fraction form
157,807,677.80/217,781,320.93 = 88,193,056.63/x - Step 3: Cross multiply
157,807,677.80x = 217,781,320.93 × 88,193,056.63 - Step 4: Simplify right side
157,807,677.80x = 19,206,800,369,735,692 - Step 5: Solve for x
x = 19,206,800,369,735,692/157,807,677.80 - Step 6: Final answer
x = 121,710,176.83
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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.