Finding the Fourth Proportional to 64,790,626.50, 97,221,811.95 and 38,819,104.02
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Solution
The fourth proportional to 64,790,626.50, 97,221,811.95 and 38,819,104.02 is: 58,250,148.75
Step by Step Solution
- Step 1: Write the proportion equation
64,790,626.50 : 97,221,811.95 = 38,819,104.02 : x - Step 2: Convert to fraction form
64,790,626.50/97,221,811.95 = 38,819,104.02/x - Step 3: Cross multiply
64,790,626.50x = 97,221,811.95 × 38,819,104.02 - Step 4: Simplify right side
64,790,626.50x = 3,774,063,631,099,929.50 - Step 5: Solve for x
x = 3,774,063,631,099,929.50/64,790,626.50 - Step 6: Final answer
x = 58,250,148.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.