Finding the Fourth Proportional to 70,739,733.24, 106,109,599.86 and 19,621,752.12
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Solution
The fourth proportional to 70,739,733.24, 106,109,599.86 and 19,621,752.12 is: 29,432,628.18
Step by Step Solution
- Step 1: Write the proportion equation
70,739,733.24 : 106,109,599.86 = 19,621,752.12 : x - Step 2: Convert to fraction form
70,739,733.24/106,109,599.86 = 19,621,752.12/x - Step 3: Cross multiply
70,739,733.24x = 106,109,599.86 × 19,621,752.12 - Step 4: Simplify right side
70,739,733.24x = 2,082,056,266,005,306.75 - Step 5: Solve for x
x = 2,082,056,266,005,306.75/70,739,733.24 - Step 6: Final answer
x = 29,432,628.18
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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.