Finding the Fourth Proportional to 70,771,052.21, 97,580,484.76 and 48,454,859.81
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Solution
The fourth proportional to 70,771,052.21, 97,580,484.76 and 48,454,859.81 is: 66,810,490.48
Step by Step Solution
- Step 1: Write the proportion equation
70,771,052.21 : 97,580,484.76 = 48,454,859.81 : x - Step 2: Convert to fraction form
70,771,052.21/97,580,484.76 = 48,454,859.81/x - Step 3: Cross multiply
70,771,052.21x = 97,580,484.76 × 48,454,859.81 - Step 4: Simplify right side
70,771,052.21x = 4,728,248,709,360,455 - Step 5: Solve for x
x = 4,728,248,709,360,455/70,771,052.21 - Step 6: Final answer
x = 66,810,490.48
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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.