Finding the Fourth Proportional to 42,266,680.12, 58,302,238.08 and 27,945,055
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Solution
The fourth proportional to 42,266,680.12, 58,302,238.08 and 27,945,055 is: 38,547,130.86
Step by Step Solution
- Step 1: Write the proportion equation
42,266,680.12 : 58,302,238.08 = 27,945,055 : x - Step 2: Convert to fraction form
42,266,680.12/58,302,238.08 = 27,945,055/x - Step 3: Cross multiply
42,266,680.12x = 58,302,238.08 × 27,945,055 - Step 4: Simplify right side
42,266,680.12x = 1,629,259,249,768,694.25 - Step 5: Solve for x
x = 1,629,259,249,768,694.25/42,266,680.12 - Step 6: Final answer
x = 38,547,130.86
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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.