Finding the Fourth Proportional to 212,798,925, 293,662,383.86 and 115,013,781
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Solution
The fourth proportional to 212,798,925, 293,662,383.86 and 115,013,781 is: 158,718,946.09
Step by Step Solution
- Step 1: Write the proportion equation
212,798,925 : 293,662,383.86 = 115,013,781 : x - Step 2: Convert to fraction form
212,798,925/293,662,383.86 = 115,013,781/x - Step 3: Cross multiply
212,798,925x = 293,662,383.86 × 115,013,781 - Step 4: Simplify right side
212,798,925x = 33,775,221,105,211,976 - Step 5: Solve for x
x = 33,775,221,105,211,976/212,798,925 - Step 6: Final answer
x = 158,718,946.09
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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.