Finding the Fourth Proportional to 69,363,505.44, 95,720,356.80 and 38,422,995.84
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Solution
The fourth proportional to 69,363,505.44, 95,720,356.80 and 38,422,995.84 is: 53,023,024.83
Step by Step Solution
- Step 1: Write the proportion equation
69,363,505.44 : 95,720,356.80 = 38,422,995.84 : x - Step 2: Convert to fraction form
69,363,505.44/95,720,356.80 = 38,422,995.84/x - Step 3: Cross multiply
69,363,505.44x = 95,720,356.80 × 38,422,995.84 - Step 4: Simplify right side
69,363,505.44x = 3,677,862,871,129,716 - Step 5: Solve for x
x = 3,677,862,871,129,716/69,363,505.44 - Step 6: Final answer
x = 53,023,024.83
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.