Finding the Fourth Proportional to 93,312,076.61, 139,968,114.92 and 92,745,206.21
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Solution
The fourth proportional to 93,312,076.61, 139,968,114.92 and 92,745,206.21 is: 139,117,809.32
Step by Step Solution
- Step 1: Write the proportion equation
93,312,076.61 : 139,968,114.92 = 92,745,206.21 : x - Step 2: Convert to fraction form
93,312,076.61/139,968,114.92 = 92,745,206.21/x - Step 3: Cross multiply
93,312,076.61x = 139,968,114.92 × 92,745,206.21 - Step 4: Simplify right side
93,312,076.61x = 12,981,371,681,314,366 - Step 5: Solve for x
x = 12,981,371,681,314,366/93,312,076.61 - Step 6: Final answer
x = 139,117,809.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.