Finding the Fourth Proportional to 103,438,353,404.05, 155,157,530,106.07 and 103,438,353,404.05
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Solution
The fourth proportional to 103,438,353,404.05, 155,157,530,106.07 and 103,438,353,404.05 is: 155,157,530,106.07
Step by Step Solution
- Step 1: Write the proportion equation
103,438,353,404.05 : 155,157,530,106.07 = 103,438,353,404.05 : x - Step 2: Convert to fraction form
103,438,353,404.05/155,157,530,106.07 = 103,438,353,404.05/x - Step 3: Cross multiply
103,438,353,404.05x = 155,157,530,106.07 × 103,438,353,404.05 - Step 4: Simplify right side
103,438,353,404.05x = 16,049,239,432,411,196,948,480 - Step 5: Solve for x
x = 16,049,239,432,411,196,948,480/103,438,353,404.05 - Step 6: Final answer
x = 155,157,530,106.07
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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.