Finding the Fourth Proportional to 88,529,408.74, 122,128,888.08 and 57,578,284.90
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Solution
The fourth proportional to 88,529,408.74, 122,128,888.08 and 57,578,284.90 is: 79,430,914.68
Step by Step Solution
- Step 1: Write the proportion equation
88,529,408.74 : 122,128,888.08 = 57,578,284.90 : x - Step 2: Convert to fraction form
88,529,408.74/122,128,888.08 = 57,578,284.90/x - Step 3: Cross multiply
88,529,408.74x = 122,128,888.08 × 57,578,284.90 - Step 4: Simplify right side
88,529,408.74x = 7,031,971,912,390,454 - Step 5: Solve for x
x = 7,031,971,912,390,454/88,529,408.74 - Step 6: Final answer
x = 79,430,914.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.