Finding the Fourth Proportional to 65,281,325,145.80, 97,921,987,718.70 and 39,159,937,113.80
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Solution
The fourth proportional to 65,281,325,145.80, 97,921,987,718.70 and 39,159,937,113.80 is: 58,739,905,670.70
Step by Step Solution
- Step 1: Write the proportion equation
65,281,325,145.80 : 97,921,987,718.70 = 39,159,937,113.80 : x - Step 2: Convert to fraction form
65,281,325,145.80/97,921,987,718.70 = 39,159,937,113.80/x - Step 3: Cross multiply
65,281,325,145.80x = 97,921,987,718.70 × 39,159,937,113.80 - Step 4: Simplify right side
65,281,325,145.80x = 3,834,618,881,122,588,164,096 - Step 5: Solve for x
x = 3,834,618,881,122,588,164,096/65,281,325,145.80 - Step 6: Final answer
x = 58,739,905,670.70
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1.5x scale
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.