Finding the Fourth Proportional to 77,950,794.98, 107,564,807.84 and 46,582,618.34
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Solution
The fourth proportional to 77,950,794.98, 107,564,807.84 and 46,582,618.34 is: 64,279,657.34
Step by Step Solution
- Step 1: Write the proportion equation
77,950,794.98 : 107,564,807.84 = 46,582,618.34 : x - Step 2: Convert to fraction form
77,950,794.98/107,564,807.84 = 46,582,618.34/x - Step 3: Cross multiply
77,950,794.98x = 107,564,807.84 × 46,582,618.34 - Step 4: Simplify right side
77,950,794.98x = 5,010,650,390,426,160 - Step 5: Solve for x
x = 5,010,650,390,426,160/77,950,794.98 - Step 6: Final answer
x = 64,279,657.34
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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.