Finding the Fourth Proportional to 157,643,183.41, 236,507,916.42 and 75,830,498.66
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Solution
The fourth proportional to 157,643,183.41, 236,507,916.42 and 75,830,498.66 is: 113,766,500.09
Step by Step Solution
- Step 1: Write the proportion equation
157,643,183.41 : 236,507,916.42 = 75,830,498.66 : x - Step 2: Convert to fraction form
157,643,183.41/236,507,916.42 = 75,830,498.66/x - Step 3: Cross multiply
157,643,183.41x = 236,507,916.42 × 75,830,498.66 - Step 4: Simplify right side
157,643,183.41x = 17,934,513,239,757,470 - Step 5: Solve for x
x = 17,934,513,239,757,470/157,643,183.41 - Step 6: Final answer
x = 113,766,500.09
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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.