Finding the Fourth Proportional to 193,287,501.74, 266,736,795.90 and 106,367,373.74
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Solution
The fourth proportional to 193,287,501.74, 266,736,795.90 and 106,367,373.74 is: 146,786,999.70
Step by Step Solution
- Step 1: Write the proportion equation
193,287,501.74 : 266,736,795.90 = 106,367,373.74 : x - Step 2: Convert to fraction form
193,287,501.74/266,736,795.90 = 106,367,373.74/x - Step 3: Cross multiply
193,287,501.74x = 266,736,795.90 × 106,367,373.74 - Step 4: Simplify right side
193,287,501.74x = 28,372,092,459,705,400 - Step 5: Solve for x
x = 28,372,092,459,705,400/193,287,501.74 - Step 6: Final answer
x = 146,786,999.70
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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.