Finding the Fourth Proportional to 155,377,292.52, 214,417,351.62 and 84,810,559.08
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Solution
The fourth proportional to 155,377,292.52, 214,417,351.62 and 84,810,559.08 is: 117,036,763.69
Step by Step Solution
- Step 1: Write the proportion equation
155,377,292.52 : 214,417,351.62 = 84,810,559.08 : x - Step 2: Convert to fraction form
155,377,292.52/214,417,351.62 = 84,810,559.08/x - Step 3: Cross multiply
155,377,292.52x = 214,417,351.62 × 84,810,559.08 - Step 4: Simplify right side
155,377,292.52x = 18,184,855,467,345,144 - Step 5: Solve for x
x = 18,184,855,467,345,144/155,377,292.52 - Step 6: Final answer
x = 117,036,763.69
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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.