Finding the Fourth Proportional to 132,340,754.36, 198,329,526.20 and 83,731,590.23
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Solution
The fourth proportional to 132,340,754.36, 198,329,526.20 and 83,731,590.23 is: 125,482,484.19
Step by Step Solution
- Step 1: Write the proportion equation
132,340,754.36 : 198,329,526.20 = 83,731,590.23 : x - Step 2: Convert to fraction form
132,340,754.36/198,329,526.20 = 83,731,590.23/x - Step 3: Cross multiply
132,340,754.36x = 198,329,526.20 × 83,731,590.23 - Step 4: Simplify right side
132,340,754.36x = 16,606,446,617,506,128 - Step 5: Solve for x
x = 16,606,446,617,506,128/132,340,754.36 - Step 6: Final answer
x = 125,482,484.19
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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.