Finding the Fourth Proportional to 42,775,551.40, 64,163,327.10 and 32,697,855.40
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Solution
The fourth proportional to 42,775,551.40, 64,163,327.10 and 32,697,855.40 is: 49,046,783.10
Step by Step Solution
- Step 1: Write the proportion equation
42,775,551.40 : 64,163,327.10 = 32,697,855.40 : x - Step 2: Convert to fraction form
42,775,551.40/64,163,327.10 = 32,697,855.40/x - Step 3: Cross multiply
42,775,551.40x = 64,163,327.10 × 32,697,855.40 - Step 4: Simplify right side
42,775,551.40x = 2,098,003,191,498,701.25 - Step 5: Solve for x
x = 2,098,003,191,498,701.25/42,775,551.40 - Step 6: Final answer
x = 49,046,783.10
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Similar ratio
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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.