Finding the Fourth Proportional to 368,072,006.60, 551,639,117.10 and 195,631,430.60
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Solution
The fourth proportional to 368,072,006.60, 551,639,117.10 and 195,631,430.60 is: 293,197,927.90
Step by Step Solution
- Step 1: Write the proportion equation
368,072,006.60 : 551,639,117.10 = 195,631,430.60 : x - Step 2: Convert to fraction form
368,072,006.60/551,639,117.10 = 195,631,430.60/x - Step 3: Cross multiply
368,072,006.60x = 551,639,117.10 × 195,631,430.60 - Step 4: Simplify right side
368,072,006.60x = 107,917,949,653,193,920 - Step 5: Solve for x
x = 107,917,949,653,193,920/368,072,006.60 - Step 6: Final answer
x = 293,197,927.90
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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.