Finding the Fourth Proportional to 89,148,743.70, 133,723,115.55 and 38,130,407.70
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Solution
The fourth proportional to 89,148,743.70, 133,723,115.55 and 38,130,407.70 is: 57,195,611.55
Step by Step Solution
- Step 1: Write the proportion equation
89,148,743.70 : 133,723,115.55 = 38,130,407.70 : x - Step 2: Convert to fraction form
89,148,743.70/133,723,115.55 = 38,130,407.70/x - Step 3: Cross multiply
89,148,743.70x = 133,723,115.55 × 38,130,407.70 - Step 4: Simplify right side
89,148,743.70x = 5,098,916,914,835,710 - Step 5: Solve for x
x = 5,098,916,914,835,710/89,148,743.70 - Step 6: Final answer
x = 57,195,611.55
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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.