Finding the Fourth Proportional to 96,771,973.05, 145,157,959.58 and 66,538,885.05
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Solution
The fourth proportional to 96,771,973.05, 145,157,959.58 and 66,538,885.05 is: 99,808,327.58
Step by Step Solution
- Step 1: Write the proportion equation
96,771,973.05 : 145,157,959.58 = 66,538,885.05 : x - Step 2: Convert to fraction form
96,771,973.05/145,157,959.58 = 66,538,885.05/x - Step 3: Cross multiply
96,771,973.05x = 145,157,959.58 × 66,538,885.05 - Step 4: Simplify right side
96,771,973.05x = 9,658,648,786,253,470 - Step 5: Solve for x
x = 9,658,648,786,253,470/96,771,973.05 - Step 6: Final answer
x = 99,808,327.58
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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.