Finding the Fourth Proportional to 157,225,007.70, 235,837,511.55 and 48,049,967.70
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Solution
The fourth proportional to 157,225,007.70, 235,837,511.55 and 48,049,967.70 is: 72,074,951.55
Step by Step Solution
- Step 1: Write the proportion equation
157,225,007.70 : 235,837,511.55 = 48,049,967.70 : x - Step 2: Convert to fraction form
157,225,007.70/235,837,511.55 = 48,049,967.70/x - Step 3: Cross multiply
157,225,007.70x = 235,837,511.55 × 48,049,967.70 - Step 4: Simplify right side
157,225,007.70x = 11,331,984,812,425,878 - Step 5: Solve for x
x = 11,331,984,812,425,878/157,225,007.70 - Step 6: Final answer
x = 72,074,951.55
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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.