Finding the Fourth Proportional to 252,328,547.34, 348,371,030.88 and 193,478,156.10
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Solution
The fourth proportional to 252,328,547.34, 348,371,030.88 and 193,478,156.10 is: 267,120,725.75
Step by Step Solution
- Step 1: Write the proportion equation
252,328,547.34 : 348,371,030.88 = 193,478,156.10 : x - Step 2: Convert to fraction form
252,328,547.34/348,371,030.88 = 193,478,156.10/x - Step 3: Cross multiply
252,328,547.34x = 348,371,030.88 × 193,478,156.10 - Step 4: Simplify right side
252,328,547.34x = 67,402,184,693,318,560 - Step 5: Solve for x
x = 67,402,184,693,318,560/252,328,547.34 - Step 6: Final answer
x = 267,120,725.75
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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.