Finding the Fourth Proportional to 43,169,829.35, 64,788,323.56 and 30,131,276.09
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Solution
The fourth proportional to 43,169,829.35, 64,788,323.56 and 30,131,276.09 is: 45,220,351.66
Step by Step Solution
- Step 1: Write the proportion equation
43,169,829.35 : 64,788,323.56 = 30,131,276.09 : x - Step 2: Convert to fraction form
43,169,829.35/64,788,323.56 = 30,131,276.09/x - Step 3: Cross multiply
43,169,829.35x = 64,788,323.56 × 30,131,276.09 - Step 4: Simplify right side
43,169,829.35x = 1,952,154,864,195,341.75 - Step 5: Solve for x
x = 1,952,154,864,195,341.75/43,169,829.35 - Step 6: Final answer
x = 45,220,351.66
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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.