Finding the Fourth Proportional to 118,337,461.60, 163,302,655.50 and 66,126,926.20
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Solution
The fourth proportional to 118,337,461.60, 163,302,655.50 and 66,126,926.20 is: 91,253,458.56
Step by Step Solution
- Step 1: Write the proportion equation
118,337,461.60 : 163,302,655.50 = 66,126,926.20 : x - Step 2: Convert to fraction form
118,337,461.60/163,302,655.50 = 66,126,926.20/x - Step 3: Cross multiply
118,337,461.60x = 163,302,655.50 × 66,126,926.20 - Step 4: Simplify right side
118,337,461.60x = 10,798,702,648,512,524 - Step 5: Solve for x
x = 10,798,702,648,512,524/118,337,461.60 - Step 6: Final answer
x = 91,253,458.56
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1.5x scale
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.