Finding the Fourth Proportional to 68,626,562.80, 102,939,844.20 and 23,187,701.20
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Solution
The fourth proportional to 68,626,562.80, 102,939,844.20 and 23,187,701.20 is: 34,781,551.80
Step by Step Solution
- Step 1: Write the proportion equation
68,626,562.80 : 102,939,844.20 = 23,187,701.20 : x - Step 2: Convert to fraction form
68,626,562.80/102,939,844.20 = 23,187,701.20/x - Step 3: Cross multiply
68,626,562.80x = 102,939,844.20 × 23,187,701.20 - Step 4: Simplify right side
68,626,562.80x = 2,386,938,348,884,153 - Step 5: Solve for x
x = 2,386,938,348,884,153/68,626,562.80 - Step 6: Final answer
x = 34,781,551.80
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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.