Finding the Fourth Proportional to 157,667,704.60, 216,001,146.95 and 151,772,855.08
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Solution
The fourth proportional to 157,667,704.60, 216,001,146.95 and 151,772,855.08 is: 207,925,338.02
Step by Step Solution
- Step 1: Write the proportion equation
157,667,704.60 : 216,001,146.95 = 151,772,855.08 : x - Step 2: Convert to fraction form
157,667,704.60/216,001,146.95 = 151,772,855.08/x - Step 3: Cross multiply
157,667,704.60x = 216,001,146.95 × 151,772,855.08 - Step 4: Simplify right side
157,667,704.60x = 32,783,110,773,156,136 - Step 5: Solve for x
x = 32,783,110,773,156,136/157,667,704.60 - Step 6: Final answer
x = 207,925,338.02
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.