Finding the Fourth Proportional to 165,176,372.23, 247,225,636.87 and 121,445,535.76
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Solution
The fourth proportional to 165,176,372.23, 247,225,636.87 and 121,445,535.76 is: 181,772,062.90
Step by Step Solution
- Step 1: Write the proportion equation
165,176,372.23 : 247,225,636.87 = 121,445,535.76 : x - Step 2: Convert to fraction form
165,176,372.23/247,225,636.87 = 121,445,535.76/x - Step 3: Cross multiply
165,176,372.23x = 247,225,636.87 × 121,445,535.76 - Step 4: Simplify right side
165,176,372.23x = 30,024,449,923,284,360 - Step 5: Solve for x
x = 30,024,449,923,284,360/165,176,372.23 - Step 6: Final answer
x = 181,772,062.90
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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.