Finding the Fourth Proportional to 165,397,815.70, 247,718,809.95 and 97,373,367.70
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Solution
The fourth proportional to 165,397,815.70, 247,718,809.95 and 97,373,367.70 is: 145,837,565.42
Step by Step Solution
- Step 1: Write the proportion equation
165,397,815.70 : 247,718,809.95 = 97,373,367.70 : x - Step 2: Convert to fraction form
165,397,815.70/247,718,809.95 = 97,373,367.70/x - Step 3: Cross multiply
165,397,815.70x = 247,718,809.95 × 97,373,367.70 - Step 4: Simplify right side
165,397,815.70x = 24,121,214,767,467,768 - Step 5: Solve for x
x = 24,121,214,767,467,768/165,397,815.70 - Step 6: Final answer
x = 145,837,565.42
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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.