Finding the Fourth Proportional to 70,302,210.53, 97,018,052.06 and 40,532,269.66
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Solution
The fourth proportional to 70,302,210.53, 97,018,052.06 and 40,532,269.66 is: 55,935,109.56
Step by Step Solution
- Step 1: Write the proportion equation
70,302,210.53 : 97,018,052.06 = 40,532,269.66 : x - Step 2: Convert to fraction form
70,302,210.53/97,018,052.06 = 40,532,269.66/x - Step 3: Cross multiply
70,302,210.53x = 97,018,052.06 × 40,532,269.66 - Step 4: Simplify right side
70,302,210.53x = 3,932,361,847,842,624 - Step 5: Solve for x
x = 3,932,361,847,842,624/70,302,210.53 - Step 6: Final answer
x = 55,935,109.56
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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.