Finding the Fourth Proportional to 85,937,672.24, 118,368,075.02 and 66,053,412.75
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Solution
The fourth proportional to 85,937,672.24, 118,368,075.02 and 66,053,412.75 is: 90,980,068.60
Step by Step Solution
- Step 1: Write the proportion equation
85,937,672.24 : 118,368,075.02 = 66,053,412.75 : x - Step 2: Convert to fraction form
85,937,672.24/118,368,075.02 = 66,053,412.75/x - Step 3: Cross multiply
85,937,672.24x = 118,368,075.02 × 66,053,412.75 - Step 4: Simplify right side
85,937,672.24x = 7,818,615,315,719,024 - Step 5: Solve for x
x = 7,818,615,315,719,024/85,937,672.24 - Step 6: Final answer
x = 90,980,068.60
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.