Finding the Fourth Proportional to 117,538,608.10, 176,135,803.35 and 105,408,048.10
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Solution
The fourth proportional to 117,538,608.10, 176,135,803.35 and 105,408,048.10 is: 157,957,725.82
Step by Step Solution
- Step 1: Write the proportion equation
117,538,608.10 : 176,135,803.35 = 105,408,048.10 : x - Step 2: Convert to fraction form
117,538,608.10/176,135,803.35 = 105,408,048.10/x - Step 3: Cross multiply
117,538,608.10x = 176,135,803.35 × 105,408,048.10 - Step 4: Simplify right side
117,538,608.10x = 18,566,131,231,648,940 - Step 5: Solve for x
x = 18,566,131,231,648,940/117,538,608.10 - Step 6: Final answer
x = 157,957,725.82
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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.