Finding the Fourth Proportional to 208,258,208.73, 312,489,675.63 and 83,755,867.59
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Solution
The fourth proportional to 208,258,208.73, 312,489,675.63 and 83,755,867.59 is: 125,674,968.85
Step by Step Solution
- Step 1: Write the proportion equation
208,258,208.73 : 312,489,675.63 = 83,755,867.59 : x - Step 2: Convert to fraction form
208,258,208.73/312,489,675.63 = 83,755,867.59/x - Step 3: Cross multiply
208,258,208.73x = 312,489,675.63 × 83,755,867.59 - Step 4: Simplify right side
208,258,208.73x = 26,172,843,895,308,332 - Step 5: Solve for x
x = 26,172,843,895,308,332/208,258,208.73 - Step 6: Final answer
x = 125,674,968.85
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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.