Finding the Fourth Proportional to 70,864,622.65, 97,793,178.45 and 38,269,574.65
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Solution
The fourth proportional to 70,864,622.65, 97,793,178.45 and 38,269,574.65 is: 52,812,012.58
Step by Step Solution
- Step 1: Write the proportion equation
70,864,622.65 : 97,793,178.45 = 38,269,574.65 : x - Step 2: Convert to fraction form
70,864,622.65/97,793,178.45 = 38,269,574.65/x - Step 3: Cross multiply
70,864,622.65x = 97,793,178.45 × 38,269,574.65 - Step 4: Simplify right side
70,864,622.65x = 3,742,503,342,931,777 - Step 5: Solve for x
x = 3,742,503,342,931,777/70,864,622.65 - Step 6: Final answer
x = 52,812,012.58
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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.