Finding the Fourth Proportional to 89,630,117.40, 134,445,176.10 and 88,779,811.80
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Solution
The fourth proportional to 89,630,117.40, 134,445,176.10 and 88,779,811.80 is: 133,169,717.70
Step by Step Solution
- Step 1: Write the proportion equation
89,630,117.40 : 134,445,176.10 = 88,779,811.80 : x - Step 2: Convert to fraction form
89,630,117.40/134,445,176.10 = 88,779,811.80/x - Step 3: Cross multiply
89,630,117.40x = 134,445,176.10 × 88,779,811.80 - Step 4: Simplify right side
89,630,117.40x = 11,936,017,431,575,858 - Step 5: Solve for x
x = 11,936,017,431,575,858/89,630,117.40 - Step 6: Final answer
x = 133,169,717.70
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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.