Finding the Fourth Proportional to 90,107,062.53, 135,174,085.86 and 32,612,785.81
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Solution
The fourth proportional to 90,107,062.53, 135,174,085.86 and 32,612,785.81 is: 48,924,061.95
Step by Step Solution
- Step 1: Write the proportion equation
90,107,062.53 : 135,174,085.86 = 32,612,785.81 : x - Step 2: Convert to fraction form
90,107,062.53/135,174,085.86 = 32,612,785.81/x - Step 3: Cross multiply
90,107,062.53x = 135,174,085.86 × 32,612,785.81 - Step 4: Simplify right side
90,107,062.53x = 4,408,403,509,214,730 - Step 5: Solve for x
x = 4,408,403,509,214,730/90,107,062.53 - Step 6: Final answer
x = 48,924,061.95
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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.