Finding the Fourth Proportional to 90,463,154.16, 135,752,122.74 and 38,648,146.62
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Solution
The fourth proportional to 90,463,154.16, 135,752,122.74 and 38,648,146.62 is: 57,996,739.03
Step by Step Solution
- Step 1: Write the proportion equation
90,463,154.16 : 135,752,122.74 = 38,648,146.62 : x - Step 2: Convert to fraction form
90,463,154.16/135,752,122.74 = 38,648,146.62/x - Step 3: Cross multiply
90,463,154.16x = 135,752,122.74 × 38,648,146.62 - Step 4: Simplify right side
90,463,154.16x = 5,246,567,943,631,756 - Step 5: Solve for x
x = 5,246,567,943,631,756/90,463,154.16 - Step 6: Final answer
x = 57,996,739.03
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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.