Finding the Fourth Proportional to 70,157,445.75, 96,817,901.58 and 38,797,616.70
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Solution
The fourth proportional to 70,157,445.75, 96,817,901.58 and 38,797,616.70 is: 53,541,057.47
Step by Step Solution
- Step 1: Write the proportion equation
70,157,445.75 : 96,817,901.58 = 38,797,616.70 : x - Step 2: Convert to fraction form
70,157,445.75/96,817,901.58 = 38,797,616.70/x - Step 3: Cross multiply
70,157,445.75x = 96,817,901.58 × 38,797,616.70 - Step 4: Simplify right side
70,157,445.75x = 3,756,303,835,199,164.50 - Step 5: Solve for x
x = 3,756,303,835,199,164.50/70,157,445.75 - Step 6: Final answer
x = 53,541,057.47
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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.