Finding the Fourth Proportional to 51,961,323.18, 77,959,294.47 and 17,421,142.80
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Solution
The fourth proportional to 51,961,323.18, 77,959,294.47 and 17,421,142.80 is: 26,137,517.65
Step by Step Solution
- Step 1: Write the proportion equation
51,961,323.18 : 77,959,294.47 = 17,421,142.80 : x - Step 2: Convert to fraction form
51,961,323.18/77,959,294.47 = 17,421,142.80/x - Step 3: Cross multiply
51,961,323.18x = 77,959,294.47 × 17,421,142.80 - Step 4: Simplify right side
51,961,323.18x = 1,358,140,001,549,120.25 - Step 5: Solve for x
x = 1,358,140,001,549,120.25/51,961,323.18 - Step 6: Final answer
x = 26,137,517.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.