Finding the Fourth Proportional to 138,930,192.70, 208,117,419.08 and 83,567,466.65
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Solution
The fourth proportional to 138,930,192.70, 208,117,419.08 and 83,567,466.65 is: 125,184,059.28
Step by Step Solution
- Step 1: Write the proportion equation
138,930,192.70 : 208,117,419.08 = 83,567,466.65 : x - Step 2: Convert to fraction form
138,930,192.70/208,117,419.08 = 83,567,466.65/x - Step 3: Cross multiply
138,930,192.70x = 208,117,419.08 × 83,567,466.65 - Step 4: Simplify right side
138,930,192.70x = 17,391,845,478,251,976 - Step 5: Solve for x
x = 17,391,845,478,251,976/138,930,192.70 - Step 6: Final answer
x = 125,184,059.28
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.