Finding the Fourth Proportional to 83,279,237.19, 124,944,988.61 and 50,080,661.02
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Solution
The fourth proportional to 83,279,237.19, 124,944,988.61 and 50,080,661.02 is: 75,136,706.72
Step by Step Solution
- Step 1: Write the proportion equation
83,279,237.19 : 124,944,988.61 = 50,080,661.02 : x - Step 2: Convert to fraction form
83,279,237.19/124,944,988.61 = 50,080,661.02/x - Step 3: Cross multiply
83,279,237.19x = 124,944,988.61 × 50,080,661.02 - Step 4: Simplify right side
83,279,237.19x = 6,257,327,620,725,171 - Step 5: Solve for x
x = 6,257,327,620,725,171/83,279,237.19 - Step 6: Final answer
x = 75,136,706.72
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.