Finding the Fourth Proportional to 68,658,616.51, 94,754,202.47 and 39,299,159.68
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Solution
The fourth proportional to 68,658,616.51, 94,754,202.47 and 39,299,159.68 is: 54,235,880.69
Step by Step Solution
- Step 1: Write the proportion equation
68,658,616.51 : 94,754,202.47 = 39,299,159.68 : x - Step 2: Convert to fraction form
68,658,616.51/94,754,202.47 = 39,299,159.68/x - Step 3: Cross multiply
68,658,616.51x = 94,754,202.47 × 39,299,159.68 - Step 4: Simplify right side
68,658,616.51x = 3,723,760,532,933,571 - Step 5: Solve for x
x = 3,723,760,532,933,571/68,658,616.51 - Step 6: Final answer
x = 54,235,880.69
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.