Finding the Fourth Proportional to 61,706,108.30, 85,160,522.81 and 35,248,421.99
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Solution
The fourth proportional to 61,706,108.30, 85,160,522.81 and 35,248,421.99 is: 48,646,303.07
Step by Step Solution
- Step 1: Write the proportion equation
61,706,108.30 : 85,160,522.81 = 35,248,421.99 : x - Step 2: Convert to fraction form
61,706,108.30/85,160,522.81 = 35,248,421.99/x - Step 3: Cross multiply
61,706,108.30x = 85,160,522.81 × 35,248,421.99 - Step 4: Simplify right side
61,706,108.30x = 3,001,774,045,196,923 - Step 5: Solve for x
x = 3,001,774,045,196,923/61,706,108.30 - Step 6: Final answer
x = 48,646,303.07
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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.