Finding the Fourth Proportional to 315,551,440.10, 473,103,211.35 and 143,110,864.10
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Solution
The fourth proportional to 315,551,440.10, 473,103,211.35 and 143,110,864.10 is: 214,564,729.49
Step by Step Solution
- Step 1: Write the proportion equation
315,551,440.10 : 473,103,211.35 = 143,110,864.10 : x - Step 2: Convert to fraction form
315,551,440.10/473,103,211.35 = 143,110,864.10/x - Step 3: Cross multiply
315,551,440.10x = 473,103,211.35 × 143,110,864.10 - Step 4: Simplify right side
315,551,440.10x = 67,706,209,384,783,432 - Step 5: Solve for x
x = 67,706,209,384,783,432/315,551,440.10 - Step 6: Final answer
x = 214,564,729.49
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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.