Finding the Fourth Proportional to 98,660,823.46, 148,042,263.39 and 71,590,301.62
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Solution
The fourth proportional to 98,660,823.46, 148,042,263.39 and 71,590,301.62 is: 107,422,479.53
Step by Step Solution
- Step 1: Write the proportion equation
98,660,823.46 : 148,042,263.39 = 71,590,301.62 : x - Step 2: Convert to fraction form
98,660,823.46/148,042,263.39 = 71,590,301.62/x - Step 3: Cross multiply
98,660,823.46x = 148,042,263.39 × 71,590,301.62 - Step 4: Simplify right side
98,660,823.46x = 10,598,390,288,597,584 - Step 5: Solve for x
x = 10,598,390,288,597,584/98,660,823.46 - Step 6: Final answer
x = 107,422,479.53
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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.