Finding the Fourth Proportional to 243,178,695.97, 335,335,769.98 and 208,012,910.80
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Solution
The fourth proportional to 243,178,695.97, 335,335,769.98 and 208,012,910.80 is: 286,843,258.74
Step by Step Solution
- Step 1: Write the proportion equation
243,178,695.97 : 335,335,769.98 = 208,012,910.80 : x - Step 2: Convert to fraction form
243,178,695.97/335,335,769.98 = 208,012,910.80/x - Step 3: Cross multiply
243,178,695.97x = 335,335,769.98 × 208,012,910.80 - Step 4: Simplify right side
243,178,695.97x = 69,754,169,609,110,056 - Step 5: Solve for x
x = 69,754,169,609,110,056/243,178,695.97 - Step 6: Final answer
x = 286,843,258.74
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.