Finding the Fourth Proportional to 75,087,016.80, 112,630,525.20 and 58,962,703.20
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Solution
The fourth proportional to 75,087,016.80, 112,630,525.20 and 58,962,703.20 is: 88,444,054.80
Step by Step Solution
- Step 1: Write the proportion equation
75,087,016.80 : 112,630,525.20 = 58,962,703.20 : x - Step 2: Convert to fraction form
75,087,016.80/112,630,525.20 = 58,962,703.20/x - Step 3: Cross multiply
75,087,016.80x = 112,630,525.20 × 58,962,703.20 - Step 4: Simplify right side
75,087,016.80x = 6,641,000,228,627,721 - Step 5: Solve for x
x = 6,641,000,228,627,721/75,087,016.80 - Step 6: Final answer
x = 88,444,054.80
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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.