Finding the Fourth Proportional to 90,930,491.08, 136,481,967.80 and 56,282,084.44
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Solution
The fourth proportional to 90,930,491.08, 136,481,967.80 and 56,282,084.44 is: 84,476,500.07
Step by Step Solution
- Step 1: Write the proportion equation
90,930,491.08 : 136,481,967.80 = 56,282,084.44 : x - Step 2: Convert to fraction form
90,930,491.08/136,481,967.80 = 56,282,084.44/x - Step 3: Cross multiply
90,930,491.08x = 136,481,967.80 × 56,282,084.44 - Step 4: Simplify right side
90,930,491.08x = 7,681,489,636,256,961 - Step 5: Solve for x
x = 7,681,489,636,256,961/90,930,491.08 - Step 6: Final answer
x = 84,476,500.07
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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.