Finding the Fourth Proportional to 165,097,135.30, 247,645,702.95 and 93,433,519.30
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Solution
The fourth proportional to 165,097,135.30, 247,645,702.95 and 93,433,519.30 is: 140,150,278.95
Step by Step Solution
- Step 1: Write the proportion equation
165,097,135.30 : 247,645,702.95 = 93,433,519.30 : x - Step 2: Convert to fraction form
165,097,135.30/247,645,702.95 = 93,433,519.30/x - Step 3: Cross multiply
165,097,135.30x = 247,645,702.95 × 93,433,519.30 - Step 4: Simplify right side
165,097,135.30x = 23,138,409,566,140,892 - Step 5: Solve for x
x = 23,138,409,566,140,892/165,097,135.30 - Step 6: Final answer
x = 140,150,278.95
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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.