Finding the Fourth Proportional to 70,586,724.15, 97,412,607.86 and 39,224,656.01
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Solution
The fourth proportional to 70,586,724.15, 97,412,607.86 and 39,224,656.01 is: 54,131,652.66
Step by Step Solution
- Step 1: Write the proportion equation
70,586,724.15 : 97,412,607.86 = 39,224,656.01 : x - Step 2: Convert to fraction form
70,586,724.15/97,412,607.86 = 39,224,656.01/x - Step 3: Cross multiply
70,586,724.15x = 97,412,607.86 × 39,224,656.01 - Step 4: Simplify right side
70,586,724.15x = 3,820,976,034,392,931 - Step 5: Solve for x
x = 3,820,976,034,392,931/70,586,724.15 - Step 6: Final answer
x = 54,131,652.66
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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.