Finding the Fourth Proportional to 66,506,744.90, 99,760,117.35 and 39,296,965.70
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Solution
The fourth proportional to 66,506,744.90, 99,760,117.35 and 39,296,965.70 is: 58,945,448.55
Step by Step Solution
- Step 1: Write the proportion equation
66,506,744.90 : 99,760,117.35 = 39,296,965.70 : x - Step 2: Convert to fraction form
66,506,744.90/99,760,117.35 = 39,296,965.70/x - Step 3: Cross multiply
66,506,744.90x = 99,760,117.35 × 39,296,965.70 - Step 4: Simplify right side
66,506,744.90x = 3,920,269,909,730,925 - Step 5: Solve for x
x = 3,920,269,909,730,925/66,506,744.90 - Step 6: Final answer
x = 58,945,448.55
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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.