Finding the Fourth Proportional to 102,849,059.08, 141,935,793.66 and 56,440,973.80
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Solution
The fourth proportional to 102,849,059.08, 141,935,793.66 and 56,440,973.80 is: 77,890,789.50
Step by Step Solution
- Step 1: Write the proportion equation
102,849,059.08 : 141,935,793.66 = 56,440,973.80 : x - Step 2: Convert to fraction form
102,849,059.08/141,935,793.66 = 56,440,973.80/x - Step 3: Cross multiply
102,849,059.08x = 141,935,793.66 × 56,440,973.80 - Step 4: Simplify right side
102,849,059.08x = 8,010,994,411,246,265 - Step 5: Solve for x
x = 8,010,994,411,246,265/102,849,059.08 - Step 6: Final answer
x = 77,890,789.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.