Finding the Fourth Proportional to 90,332,488.13, 135,205,576.98 and 48,775,594.19
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Solution
The fourth proportional to 90,332,488.13, 135,205,576.98 and 48,775,594.19 is: 73,005,100.28
Step by Step Solution
- Step 1: Write the proportion equation
90,332,488.13 : 135,205,576.98 = 48,775,594.19 : x - Step 2: Convert to fraction form
90,332,488.13/135,205,576.98 = 48,775,594.19/x - Step 3: Cross multiply
90,332,488.13x = 135,205,576.98 × 48,775,594.19 - Step 4: Simplify right side
90,332,488.13x = 6,594,732,354,325,258 - Step 5: Solve for x
x = 6,594,732,354,325,258/90,332,488.13 - Step 6: Final answer
x = 73,005,100.28
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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.