Finding the Fourth Proportional to 342,478,406.29, 513,716,161.15 and 124,077,542.53
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Solution
The fourth proportional to 342,478,406.29, 513,716,161.15 and 124,077,542.53 is: 186,115,789.09
Step by Step Solution
- Step 1: Write the proportion equation
342,478,406.29 : 513,716,161.15 = 124,077,542.53 : x - Step 2: Convert to fraction form
342,478,406.29/513,716,161.15 = 124,077,542.53/x - Step 3: Cross multiply
342,478,406.29x = 513,716,161.15 × 124,077,542.53 - Step 4: Simplify right side
342,478,406.29x = 63,740,638,830,868,880 - Step 5: Solve for x
x = 63,740,638,830,868,880/342,478,406.29 - Step 6: Final answer
x = 186,115,789.09
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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.