Finding the Fourth Proportional to 102,135,087,009.20, 153,202,630,513.80 and 102,135,087,009.20
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Solution
The fourth proportional to 102,135,087,009.20, 153,202,630,513.80 and 102,135,087,009.20 is: 153,202,630,513.80
Step by Step Solution
- Step 1: Write the proportion equation
102,135,087,009.20 : 153,202,630,513.80 = 102,135,087,009.20 : x - Step 2: Convert to fraction form
102,135,087,009.20/153,202,630,513.80 = 102,135,087,009.20/x - Step 3: Cross multiply
102,135,087,009.20x = 153,202,630,513.80 × 102,135,087,009.20 - Step 4: Simplify right side
102,135,087,009.20x = 15,647,363,997,565,280,321,536 - Step 5: Solve for x
x = 15,647,363,997,565,280,321,536/102,135,087,009.20 - Step 6: Final answer
x = 153,202,630,513.80
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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.