Finding the Fourth Proportional to 83,694,189.12, 125,541,684.36 and 25,402,373.52
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Solution
The fourth proportional to 83,694,189.12, 125,541,684.36 and 25,402,373.52 is: 38,103,681.89
Step by Step Solution
- Step 1: Write the proportion equation
83,694,189.12 : 125,541,684.36 = 25,402,373.52 : x - Step 2: Convert to fraction form
83,694,189.12/125,541,684.36 = 25,402,373.52/x - Step 3: Cross multiply
83,694,189.12x = 125,541,684.36 × 25,402,373.52 - Step 4: Simplify right side
83,694,189.12x = 3,189,056,758,442,662 - Step 5: Solve for x
x = 3,189,056,758,442,662/83,694,189.12 - Step 6: Final answer
x = 38,103,681.89
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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.