Finding the Fourth Proportional to 89,630,130.40, 134,445,195.60 and 88,779,824.80
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Solution
The fourth proportional to 89,630,130.40, 134,445,195.60 and 88,779,824.80 is: 133,169,737.20
Step by Step Solution
- Step 1: Write the proportion equation
89,630,130.40 : 134,445,195.60 = 88,779,824.80 : x - Step 2: Convert to fraction form
89,630,130.40/134,445,195.60 = 88,779,824.80/x - Step 3: Cross multiply
89,630,130.40x = 134,445,195.60 × 88,779,824.80 - Step 4: Simplify right side
89,630,130.40x = 11,936,020,910,569,730 - Step 5: Solve for x
x = 11,936,020,910,569,730/89,630,130.40 - Step 6: Final answer
x = 133,169,737.20
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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.