Finding the Fourth Proportional to 102,500,726.80, 141,450,988.80 and 56,090,968.44
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Solution
The fourth proportional to 102,500,726.80, 141,450,988.80 and 56,090,968.44 is: 77,405,528.69
Step by Step Solution
- Step 1: Write the proportion equation
102,500,726.80 : 141,450,988.80 = 56,090,968.44 : x - Step 2: Convert to fraction form
102,500,726.80/141,450,988.80 = 56,090,968.44/x - Step 3: Cross multiply
102,500,726.80x = 141,450,988.80 × 56,090,968.44 - Step 4: Simplify right side
102,500,726.80x = 7,934,122,948,587,594 - Step 5: Solve for x
x = 7,934,122,948,587,594/102,500,726.80 - Step 6: Final answer
x = 77,405,528.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.