Finding the Fourth Proportional to 287,750,567.52, 431,767,572.12 and 134,374,332.96
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Solution
The fourth proportional to 287,750,567.52, 431,767,572.12 and 134,374,332.96 is: 201,627,680.52
Step by Step Solution
- Step 1: Write the proportion equation
287,750,567.52 : 431,767,572.12 = 134,374,332.96 : x - Step 2: Convert to fraction form
287,750,567.52/431,767,572.12 = 134,374,332.96/x - Step 3: Cross multiply
287,750,567.52x = 431,767,572.12 × 134,374,332.96 - Step 4: Simplify right side
287,750,567.52x = 58,018,479,497,383,696 - Step 5: Solve for x
x = 58,018,479,497,383,696/287,750,567.52 - Step 6: Final answer
x = 201,627,680.52
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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.