Finding the Fourth Proportional to 132,746,248.55, 183,190,590.72 and 74,012,570.21
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Solution
The fourth proportional to 132,746,248.55, 183,190,590.72 and 74,012,570.21 is: 102,137,774.93
Step by Step Solution
- Step 1: Write the proportion equation
132,746,248.55 : 183,190,590.72 = 74,012,570.21 : x - Step 2: Convert to fraction form
132,746,248.55/183,190,590.72 = 74,012,570.21/x - Step 3: Cross multiply
132,746,248.55x = 183,190,590.72 × 74,012,570.21 - Step 4: Simplify right side
132,746,248.55x = 13,558,406,456,559,422 - Step 5: Solve for x
x = 13,558,406,456,559,422/132,746,248.55 - Step 6: Final answer
x = 102,137,774.93
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.