Finding the Fourth Proportional to 107,838,412.20, 161,757,618.30 and 97,088,869.80
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Solution
The fourth proportional to 107,838,412.20, 161,757,618.30 and 97,088,869.80 is: 145,633,304.70
Step by Step Solution
- Step 1: Write the proportion equation
107,838,412.20 : 161,757,618.30 = 97,088,869.80 : x - Step 2: Convert to fraction form
107,838,412.20/161,757,618.30 = 97,088,869.80/x - Step 3: Cross multiply
107,838,412.20x = 161,757,618.30 × 97,088,869.80 - Step 4: Simplify right side
107,838,412.20x = 15,704,864,342,286,798 - Step 5: Solve for x
x = 15,704,864,342,286,798/107,838,412.20 - Step 6: Final answer
x = 145,633,304.70
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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.