Finding the Fourth Proportional to 129,220,335.84, 193,788,565.20 and 42,935,571.84
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Solution
The fourth proportional to 129,220,335.84, 193,788,565.20 and 42,935,571.84 is: 64,389,422.99
Step by Step Solution
- Step 1: Write the proportion equation
129,220,335.84 : 193,788,565.20 = 42,935,571.84 : x - Step 2: Convert to fraction form
129,220,335.84/193,788,565.20 = 42,935,571.84/x - Step 3: Cross multiply
129,220,335.84x = 193,788,565.20 × 42,935,571.84 - Step 4: Simplify right side
129,220,335.84x = 8,320,422,862,915,124 - Step 5: Solve for x
x = 8,320,422,862,915,124/129,220,335.84 - Step 6: Final answer
x = 64,389,422.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.