Finding the Fourth Proportional to 193,480,931.52, 267,022,545.12 and 144,503,328.96
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Solution
The fourth proportional to 193,480,931.52, 267,022,545.12 and 144,503,328.96 is: 199,428,679.48
Step by Step Solution
- Step 1: Write the proportion equation
193,480,931.52 : 267,022,545.12 = 144,503,328.96 : x - Step 2: Convert to fraction form
193,480,931.52/267,022,545.12 = 144,503,328.96/x - Step 3: Cross multiply
193,480,931.52x = 267,022,545.12 × 144,503,328.96 - Step 4: Simplify right side
193,480,931.52x = 38,585,646,677,211,808 - Step 5: Solve for x
x = 38,585,646,677,211,808/193,480,931.52 - Step 6: Final answer
x = 199,428,679.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.