Finding the Fourth Proportional to 141,478,820.63, 212,218,217.99 and 39,242,862.71
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Solution
The fourth proportional to 141,478,820.63, 212,218,217.99 and 39,242,862.71 is: 58,864,290.47
Step by Step Solution
- Step 1: Write the proportion equation
141,478,820.63 : 212,218,217.99 = 39,242,862.71 : x - Step 2: Convert to fraction form
141,478,820.63/212,218,217.99 = 39,242,862.71/x - Step 3: Cross multiply
141,478,820.63x = 212,218,217.99 × 39,242,862.71 - Step 4: Simplify right side
141,478,820.63x = 8,328,050,392,946,209 - Step 5: Solve for x
x = 8,328,050,392,946,209/141,478,820.63 - Step 6: Final answer
x = 58,864,290.47
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.