Finding the Fourth Proportional to 158,646,323.84, 237,980,417.76 and 66,437,220.80
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Solution
The fourth proportional to 158,646,323.84, 237,980,417.76 and 66,437,220.80 is: 99,660,409.26
Step by Step Solution
- Step 1: Write the proportion equation
158,646,323.84 : 237,980,417.76 = 66,437,220.80 : x - Step 2: Convert to fraction form
158,646,323.84/237,980,417.76 = 66,437,220.80/x - Step 3: Cross multiply
158,646,323.84x = 237,980,417.76 × 66,437,220.80 - Step 4: Simplify right side
158,646,323.84x = 15,810,757,560,797,360 - Step 5: Solve for x
x = 15,810,757,560,797,360/158,646,323.84 - Step 6: Final answer
x = 99,660,409.26
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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.