Finding the Fourth Proportional to 157,807,688.37, 217,781,335.53 and 88,193,067.18
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Solution
The fourth proportional to 157,807,688.37, 217,781,335.53 and 88,193,067.18 is: 121,710,191.39
Step by Step Solution
- Step 1: Write the proportion equation
157,807,688.37 : 217,781,335.53 = 88,193,067.18 : x - Step 2: Convert to fraction form
157,807,688.37/217,781,335.53 = 88,193,067.18/x - Step 3: Cross multiply
157,807,688.37x = 217,781,335.53 × 88,193,067.18 - Step 4: Simplify right side
157,807,688.37x = 19,206,803,954,947,412 - Step 5: Solve for x
x = 19,206,803,954,947,412/157,807,688.37 - Step 6: Final answer
x = 121,710,191.39
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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.