Finding the Fourth Proportional to 202,386,607.36, 303,090,489.60 and 115,862,588.80
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Solution
The fourth proportional to 202,386,607.36, 303,090,489.60 and 115,862,588.80 is: 173,513,698.48
Step by Step Solution
- Step 1: Write the proportion equation
202,386,607.36 : 303,090,489.60 = 115,862,588.80 : x - Step 2: Convert to fraction form
202,386,607.36/303,090,489.60 = 115,862,588.80/x - Step 3: Cross multiply
202,386,607.36x = 303,090,489.60 × 115,862,588.80 - Step 4: Simplify right side
202,386,607.36x = 35,116,848,765,715,480 - Step 5: Solve for x
x = 35,116,848,765,715,480/202,386,607.36 - Step 6: Final answer
x = 173,513,698.48
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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.