Finding the Fourth Proportional to 78,746,534.09, 118,125,476.88 and 30,224,387.96
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Solution
The fourth proportional to 78,746,534.09, 118,125,476.88 and 30,224,387.96 is: 45,338,760.40
Step by Step Solution
- Step 1: Write the proportion equation
78,746,534.09 : 118,125,476.88 = 30,224,387.96 : x - Step 2: Convert to fraction form
78,746,534.09/118,125,476.88 = 30,224,387.96/x - Step 3: Cross multiply
78,746,534.09x = 118,125,476.88 × 30,224,387.96 - Step 4: Simplify right side
78,746,534.09x = 3,570,270,241,363,102.50 - Step 5: Solve for x
x = 3,570,270,241,363,102.50/78,746,534.09 - Step 6: Final answer
x = 45,338,760.40
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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.