Finding the Fourth Proportional to 86,970,408.48, 120,021,647.75 and 53,024,926.65
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Solution
The fourth proportional to 86,970,408.48, 120,021,647.75 and 53,024,926.65 is: 73,175,913.27
Step by Step Solution
- Step 1: Write the proportion equation
86,970,408.48 : 120,021,647.75 = 53,024,926.65 : x - Step 2: Convert to fraction form
86,970,408.48/120,021,647.75 = 53,024,926.65/x - Step 3: Cross multiply
86,970,408.48x = 120,021,647.75 × 53,024,926.65 - Step 4: Simplify right side
86,970,408.48x = 6,364,139,068,355,887 - Step 5: Solve for x
x = 6,364,139,068,355,887/86,970,408.48 - Step 6: Final answer
x = 73,175,913.27
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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.