Finding the Fourth Proportional to 70,942,483.68, 97,900,584.36 and 38,347,435.68
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Solution
The fourth proportional to 70,942,483.68, 97,900,584.36 and 38,347,435.68 is: 52,919,437.93
Step by Step Solution
- Step 1: Write the proportion equation
70,942,483.68 : 97,900,584.36 = 38,347,435.68 : x - Step 2: Convert to fraction form
70,942,483.68/97,900,584.36 = 38,347,435.68/x - Step 3: Cross multiply
70,942,483.68x = 97,900,584.36 × 38,347,435.68 - Step 4: Simplify right side
70,942,483.68x = 3,754,236,361,779,514 - Step 5: Solve for x
x = 3,754,236,361,779,514/70,942,483.68 - Step 6: Final answer
x = 52,919,437.93
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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.