Finding the Fourth Proportional to 71,502,497.28, 107,118,424.08 and 42,268,813.20
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Solution
The fourth proportional to 71,502,497.28, 107,118,424.08 and 42,268,813.20 is: 63,323,224.08
Step by Step Solution
- Step 1: Write the proportion equation
71,502,497.28 : 107,118,424.08 = 42,268,813.20 : x - Step 2: Convert to fraction form
71,502,497.28/107,118,424.08 = 42,268,813.20/x - Step 3: Cross multiply
71,502,497.28x = 107,118,424.08 × 42,268,813.20 - Step 4: Simplify right side
71,502,497.28x = 4,527,768,657,715,902 - Step 5: Solve for x
x = 4,527,768,657,715,902/71,502,497.28 - Step 6: Final answer
x = 63,323,224.08
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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.