Finding the Fourth Proportional to 70,968,964.95, 97,933,084.96 and 39,604,554.14
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Solution
The fourth proportional to 70,968,964.95, 97,933,084.96 and 39,604,554.14 is: 54,652,004.12
Step by Step Solution
- Step 1: Write the proportion equation
70,968,964.95 : 97,933,084.96 = 39,604,554.14 : x - Step 2: Convert to fraction form
70,968,964.95/97,933,084.96 = 39,604,554.14/x - Step 3: Cross multiply
70,968,964.95x = 97,933,084.96 × 39,604,554.14 - Step 4: Simplify right side
70,968,964.95x = 3,878,596,165,004,885.50 - Step 5: Solve for x
x = 3,878,596,165,004,885.50/70,968,964.95 - Step 6: Final answer
x = 54,652,004.12
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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.