Finding the Fourth Proportional to 98,422,779.80, 147,633,632.66 and 40,130,229.08
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Solution
The fourth proportional to 98,422,779.80, 147,633,632.66 and 40,130,229.08 is: 60,195,124.65
Step by Step Solution
- Step 1: Write the proportion equation
98,422,779.80 : 147,633,632.66 = 40,130,229.08 : x - Step 2: Convert to fraction form
98,422,779.80/147,633,632.66 = 40,130,229.08/x - Step 3: Cross multiply
98,422,779.80x = 147,633,632.66 × 40,130,229.08 - Step 4: Simplify right side
98,422,779.80x = 5,924,571,498,558,369 - Step 5: Solve for x
x = 5,924,571,498,558,369/98,422,779.80 - Step 6: Final answer
x = 60,195,124.65
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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.