Finding the Fourth Proportional to 137,780,998.80, 193,148,490 and 137,780,998.80
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Solution
The fourth proportional to 137,780,998.80, 193,148,490 and 137,780,998.80 is: 193,148,490
Step by Step Solution
- Step 1: Write the proportion equation
137,780,998.80 : 193,148,490 = 137,780,998.80 : x - Step 2: Convert to fraction form
137,780,998.80/193,148,490 = 137,780,998.80/x - Step 3: Cross multiply
137,780,998.80x = 193,148,490 × 137,780,998.80 - Step 4: Simplify right side
137,780,998.80x = 26,612,191,868,911,816 - Step 5: Solve for x
x = 26,612,191,868,911,816/137,780,998.80 - Step 6: Final answer
x = 193,148,490
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.