Finding the Fourth Proportional to 117,516,371.70, 164,692,981.50 and 117,516,371.70
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Solution
The fourth proportional to 117,516,371.70, 164,692,981.50 and 117,516,371.70 is: 164,692,981.50
Step by Step Solution
- Step 1: Write the proportion equation
117,516,371.70 : 164,692,981.50 = 117,516,371.70 : x - Step 2: Convert to fraction form
117,516,371.70/164,692,981.50 = 117,516,371.70/x - Step 3: Cross multiply
117,516,371.70x = 164,692,981.50 × 117,516,371.70 - Step 4: Simplify right side
117,516,371.70x = 19,354,121,630,335,224 - Step 5: Solve for x
x = 19,354,121,630,335,224/117,516,371.70 - Step 6: Final answer
x = 164,692,981.50
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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.