Finding the Fourth Proportional to 88,731,658.70, 133,097,488.05 and 85,330,436.30
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Solution
The fourth proportional to 88,731,658.70, 133,097,488.05 and 85,330,436.30 is: 127,995,654.45
Step by Step Solution
- Step 1: Write the proportion equation
88,731,658.70 : 133,097,488.05 = 85,330,436.30 : x - Step 2: Convert to fraction form
88,731,658.70/133,097,488.05 = 85,330,436.30/x - Step 3: Cross multiply
88,731,658.70x = 133,097,488.05 × 85,330,436.30 - Step 4: Simplify right side
88,731,658.70x = 11,357,266,725,740,536 - Step 5: Solve for x
x = 11,357,266,725,740,536/88,731,658.70 - Step 6: Final answer
x = 127,995,654.45
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1.5x scale
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.