Finding the Fourth Proportional to 121,319,063.70, 181,978,595.55 and 39,437,783.70
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Solution
The fourth proportional to 121,319,063.70, 181,978,595.55 and 39,437,783.70 is: 59,156,675.55
Step by Step Solution
- Step 1: Write the proportion equation
121,319,063.70 : 181,978,595.55 = 39,437,783.70 : x - Step 2: Convert to fraction form
121,319,063.70/181,978,595.55 = 39,437,783.70/x - Step 3: Cross multiply
121,319,063.70x = 181,978,595.55 × 39,437,783.70 - Step 4: Simplify right side
121,319,063.70x = 7,176,832,489,330,684 - Step 5: Solve for x
x = 7,176,832,489,330,684/121,319,063.70 - Step 6: Final answer
x = 59,156,675.55
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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.