Finding the Fourth Proportional to 70,864,610.13, 97,793,161.18 and 38,269,562.13
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Solution
The fourth proportional to 70,864,610.13, 97,793,161.18 and 38,269,562.13 is: 52,811,995.31
Step by Step Solution
- Step 1: Write the proportion equation
70,864,610.13 : 97,793,161.18 = 38,269,562.13 : x - Step 2: Convert to fraction form
70,864,610.13/97,793,161.18 = 38,269,562.13/x - Step 3: Cross multiply
70,864,610.13x = 97,793,161.18 × 38,269,562.13 - Step 4: Simplify right side
70,864,610.13x = 3,742,501,457,571,440.50 - Step 5: Solve for x
x = 3,742,501,457,571,440.50/70,864,610.13 - Step 6: Final answer
x = 52,811,995.31
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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.