Finding the Fourth Proportional to 77,844,011,625.23, 107,432,742,764.99 and 47,362,359,221.69
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Solution
The fourth proportional to 77,844,011,625.23, 107,432,742,764.99 and 47,362,359,221.69 is: 65,364,927,227.84
Step by Step Solution
- Step 1: Write the proportion equation
77,844,011,625.23 : 107,432,742,764.99 = 47,362,359,221.69 : x - Step 2: Convert to fraction form
77,844,011,625.23/107,432,742,764.99 = 47,362,359,221.69/x - Step 3: Cross multiply
77,844,011,625.23x = 107,432,742,764.99 × 47,362,359,221.69 - Step 4: Simplify right side
77,844,011,625.23x = 5,088,268,155,006,336,630,784 - Step 5: Solve for x
x = 5,088,268,155,006,336,630,784/77,844,011,625.23 - Step 6: Final answer
x = 65,364,927,227.84
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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.