Finding the Fourth Proportional to 93,038,414.70, 139,557,622.05 and 38,432,851.95
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Solution
The fourth proportional to 93,038,414.70, 139,557,622.05 and 38,432,851.95 is: 57,649,277.93
Step by Step Solution
- Step 1: Write the proportion equation
93,038,414.70 : 139,557,622.05 = 38,432,851.95 : x - Step 2: Convert to fraction form
93,038,414.70/139,557,622.05 = 38,432,851.95/x - Step 3: Cross multiply
93,038,414.70x = 139,557,622.05 × 38,432,851.95 - Step 4: Simplify right side
93,038,414.70x = 5,363,597,426,741,706 - Step 5: Solve for x
x = 5,363,597,426,741,706/93,038,414.70 - Step 6: Final answer
x = 57,649,277.93
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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.