Finding the Fourth Proportional to 180,160,655.12, 248,621,466.08 and 97,654,418
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Solution
The fourth proportional to 180,160,655.12, 248,621,466.08 and 97,654,418 is: 134,762,967.84
Step by Step Solution
- Step 1: Write the proportion equation
180,160,655.12 : 248,621,466.08 = 97,654,418 : x - Step 2: Convert to fraction form
180,160,655.12/248,621,466.08 = 97,654,418/x - Step 3: Cross multiply
180,160,655.12x = 248,621,466.08 × 97,654,418 - Step 4: Simplify right side
180,160,655.12x = 24,278,984,572,349,144 - Step 5: Solve for x
x = 24,278,984,572,349,144/180,160,655.12 - Step 6: Final answer
x = 134,762,967.84
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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.