Finding the Fourth Proportional to 54,199,988.22, 74,796,055.65 and 29,420,159.07
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Solution
The fourth proportional to 54,199,988.22, 74,796,055.65 and 29,420,159.07 is: 40,599,858.55
Step by Step Solution
- Step 1: Write the proportion equation
54,199,988.22 : 74,796,055.65 = 29,420,159.07 : x - Step 2: Convert to fraction form
54,199,988.22/74,796,055.65 = 29,420,159.07/x - Step 3: Cross multiply
54,199,988.22x = 74,796,055.65 × 29,420,159.07 - Step 4: Simplify right side
54,199,988.22x = 2,200,511,855,031,572.50 - Step 5: Solve for x
x = 2,200,511,855,031,572.50/54,199,988.22 - Step 6: Final answer
x = 40,599,858.55
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.