Finding the Fourth Proportional to 77,571,437.04, 116,069,739.12 and 62,172,020.88
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Solution
The fourth proportional to 77,571,437.04, 116,069,739.12 and 62,172,020.88 is: 93,027,672.55
Step by Step Solution
- Step 1: Write the proportion equation
77,571,437.04 : 116,069,739.12 = 62,172,020.88 : x - Step 2: Convert to fraction form
77,571,437.04/116,069,739.12 = 62,172,020.88/x - Step 3: Cross multiply
77,571,437.04x = 116,069,739.12 × 62,172,020.88 - Step 4: Simplify right side
77,571,437.04x = 7,216,290,244,104,793 - Step 5: Solve for x
x = 7,216,290,244,104,793/77,571,437.04 - Step 6: Final answer
x = 93,027,672.55
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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.