Finding the Fourth Proportional to 86,896,423.20, 130,428,615.60 and 43,814,272.80
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Solution
The fourth proportional to 86,896,423.20, 130,428,615.60 and 43,814,272.80 is: 65,763,753.38
Step by Step Solution
- Step 1: Write the proportion equation
86,896,423.20 : 130,428,615.60 = 43,814,272.80 : x - Step 2: Convert to fraction form
86,896,423.20/130,428,615.60 = 43,814,272.80/x - Step 3: Cross multiply
86,896,423.20x = 130,428,615.60 × 43,814,272.80 - Step 4: Simplify right side
86,896,423.20x = 5,714,634,944,824,735 - Step 5: Solve for x
x = 5,714,634,944,824,735/86,896,423.20 - Step 6: Final answer
x = 65,763,753.38
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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.