Finding the Fourth Proportional to 345,384,988.15, 518,020,734.43 and 124,010,500.99
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Solution
The fourth proportional to 345,384,988.15, 518,020,734.43 and 124,010,500.99 is: 185,995,376.19
Step by Step Solution
- Step 1: Write the proportion equation
345,384,988.15 : 518,020,734.43 = 124,010,500.99 : x - Step 2: Convert to fraction form
345,384,988.15/518,020,734.43 = 124,010,500.99/x - Step 3: Cross multiply
345,384,988.15x = 518,020,734.43 × 124,010,500.99 - Step 4: Simplify right side
345,384,988.15x = 64,240,010,799,872,040 - Step 5: Solve for x
x = 64,240,010,799,872,040/345,384,988.15 - Step 6: Final answer
x = 185,995,376.19
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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.