Finding the Fourth Proportional to 68,331,853.80, 102,497,780.70 and 63,070,587.90
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Solution
The fourth proportional to 68,331,853.80, 102,497,780.70 and 63,070,587.90 is: 94,605,881.85
Step by Step Solution
- Step 1: Write the proportion equation
68,331,853.80 : 102,497,780.70 = 63,070,587.90 : x - Step 2: Convert to fraction form
68,331,853.80/102,497,780.70 = 63,070,587.90/x - Step 3: Cross multiply
68,331,853.80x = 102,497,780.70 × 63,070,587.90 - Step 4: Simplify right side
68,331,853.80x = 6,464,595,287,194,274 - Step 5: Solve for x
x = 6,464,595,287,194,274/68,331,853.80 - Step 6: Final answer
x = 94,605,881.85
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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.