Finding the Fourth Proportional to 130,471,134.40, 195,706,701.60 and 39,594,577.60
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Solution
The fourth proportional to 130,471,134.40, 195,706,701.60 and 39,594,577.60 is: 59,391,866.40
Step by Step Solution
- Step 1: Write the proportion equation
130,471,134.40 : 195,706,701.60 = 39,594,577.60 : x - Step 2: Convert to fraction form
130,471,134.40/195,706,701.60 = 39,594,577.60/x - Step 3: Cross multiply
130,471,134.40x = 195,706,701.60 × 39,594,577.60 - Step 4: Simplify right side
130,471,134.40x = 7,748,924,183,341,244 - Step 5: Solve for x
x = 7,748,924,183,341,244/130,471,134.40 - Step 6: Final answer
x = 59,391,866.40
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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.