Finding the Fourth Proportional to 76,577,864.18, 105,716,476.24 and 59,135,052.02
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Solution
The fourth proportional to 76,577,864.18, 105,716,476.24 and 59,135,052.02 is: 81,636,506.70
Step by Step Solution
- Step 1: Write the proportion equation
76,577,864.18 : 105,716,476.24 = 59,135,052.02 : x - Step 2: Convert to fraction form
76,577,864.18/105,716,476.24 = 59,135,052.02/x - Step 3: Cross multiply
76,577,864.18x = 105,716,476.24 × 59,135,052.02 - Step 4: Simplify right side
76,577,864.18x = 6,251,549,321,823,494 - Step 5: Solve for x
x = 6,251,549,321,823,494/76,577,864.18 - Step 6: Final answer
x = 81,636,506.70
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.