Finding the Fourth Proportional to 86,341,862.40, 129,496,204.80 and 25,759,564.80
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Solution
The fourth proportional to 86,341,862.40, 129,496,204.80 and 25,759,564.80 is: 38,634,398.03
Step by Step Solution
- Step 1: Write the proportion equation
86,341,862.40 : 129,496,204.80 = 25,759,564.80 : x - Step 2: Convert to fraction form
86,341,862.40/129,496,204.80 = 25,759,564.80/x - Step 3: Cross multiply
86,341,862.40x = 129,496,204.80 × 25,759,564.80 - Step 4: Simplify right side
86,341,862.40x = 3,335,765,878,899,671 - Step 5: Solve for x
x = 3,335,765,878,899,671/86,341,862.40 - Step 6: Final answer
x = 38,634,398.03
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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.