Finding the Fourth Proportional to 75,281,895.47, 103,889,066.92 and 42,237,582.99
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Solution
The fourth proportional to 75,281,895.47, 103,889,066.92 and 42,237,582.99 is: 58,287,893.24
Step by Step Solution
- Step 1: Write the proportion equation
75,281,895.47 : 103,889,066.92 = 42,237,582.99 : x - Step 2: Convert to fraction form
75,281,895.47/103,889,066.92 = 42,237,582.99/x - Step 3: Cross multiply
75,281,895.47x = 103,889,066.92 × 42,237,582.99 - Step 4: Simplify right side
75,281,895.47x = 4,388,023,085,787,164 - Step 5: Solve for x
x = 4,388,023,085,787,164/75,281,895.47 - Step 6: Final answer
x = 58,287,893.24
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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.