Finding the Fourth Proportional to 90,930,480.08, 136,481,951.30 and 56,282,073.44
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Solution
The fourth proportional to 90,930,480.08, 136,481,951.30 and 56,282,073.44 is: 84,476,483.56
Step by Step Solution
- Step 1: Write the proportion equation
90,930,480.08 : 136,481,951.30 = 56,282,073.44 : x - Step 2: Convert to fraction form
90,930,480.08/136,481,951.30 = 56,282,073.44/x - Step 3: Cross multiply
90,930,480.08x = 136,481,951.30 × 56,282,073.44 - Step 4: Simplify right side
90,930,480.08x = 7,681,487,205,337,283 - Step 5: Solve for x
x = 7,681,487,205,337,283/90,930,480.08 - Step 6: Final answer
x = 84,476,483.56
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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.