Finding the Fourth Proportional to 88,864,693.84, 122,659,347.90 and 51,703,714.72
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Solution
The fourth proportional to 88,864,693.84, 122,659,347.90 and 51,703,714.72 is: 71,366,294.73
Step by Step Solution
- Step 1: Write the proportion equation
88,864,693.84 : 122,659,347.90 = 51,703,714.72 : x - Step 2: Convert to fraction form
88,864,693.84/122,659,347.90 = 51,703,714.72/x - Step 3: Cross multiply
88,864,693.84x = 122,659,347.90 × 51,703,714.72 - Step 4: Simplify right side
88,864,693.84x = 6,341,943,931,562,831 - Step 5: Solve for x
x = 6,341,943,931,562,831/88,864,693.84 - Step 6: Final answer
x = 71,366,294.73
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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.