Finding the Fourth Proportional to 70,709,546.19, 97,587,668.50 and 42,831,438.42
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Solution
The fourth proportional to 70,709,546.19, 97,587,668.50 and 42,831,438.42 is: 59,112,530.60
Step by Step Solution
- Step 1: Write the proportion equation
70,709,546.19 : 97,587,668.50 = 42,831,438.42 : x - Step 2: Convert to fraction form
70,709,546.19/97,587,668.50 = 42,831,438.42/x - Step 3: Cross multiply
70,709,546.19x = 97,587,668.50 × 42,831,438.42 - Step 4: Simplify right side
70,709,546.19x = 4,179,820,213,344,554 - Step 5: Solve for x
x = 4,179,820,213,344,554/70,709,546.19 - Step 6: Final answer
x = 59,112,530.60
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.