Finding the Fourth Proportional to 122,169,678.90, 183,009,157.87 and 56,498,767.17
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Solution
The fourth proportional to 122,169,678.90, 183,009,157.87 and 56,498,767.17 is: 84,634,680.99
Step by Step Solution
- Step 1: Write the proportion equation
122,169,678.90 : 183,009,157.87 = 56,498,767.17 : x - Step 2: Convert to fraction form
122,169,678.90/183,009,157.87 = 56,498,767.17/x - Step 3: Cross multiply
122,169,678.90x = 183,009,157.87 × 56,498,767.17 - Step 4: Simplify right side
122,169,678.90x = 10,339,791,800,474,904 - Step 5: Solve for x
x = 10,339,791,800,474,904/122,169,678.90 - Step 6: Final answer
x = 84,634,680.99
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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.