Finding the Fourth Proportional to 65,712,923.70, 98,569,385.55 and 48,706,811.70
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Solution
The fourth proportional to 65,712,923.70, 98,569,385.55 and 48,706,811.70 is: 73,060,217.55
Step by Step Solution
- Step 1: Write the proportion equation
65,712,923.70 : 98,569,385.55 = 48,706,811.70 : x - Step 2: Convert to fraction form
65,712,923.70/98,569,385.55 = 48,706,811.70/x - Step 3: Cross multiply
65,712,923.70x = 98,569,385.55 × 48,706,811.70 - Step 4: Simplify right side
65,712,923.70x = 4,801,000,501,368,551 - Step 5: Solve for x
x = 4,801,000,501,368,551/65,712,923.70 - Step 6: Final answer
x = 73,060,217.55
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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.