Finding the Fourth Proportional to 66,827,423.79, 100,241,215.63 and 18,305,695.91
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Solution
The fourth proportional to 66,827,423.79, 100,241,215.63 and 18,305,695.91 is: 27,458,565.77
Step by Step Solution
- Step 1: Write the proportion equation
66,827,423.79 : 100,241,215.63 = 18,305,695.91 : x - Step 2: Convert to fraction form
66,827,423.79/100,241,215.63 = 18,305,695.91/x - Step 3: Cross multiply
66,827,423.79x = 100,241,215.63 × 18,305,695.91 - Step 4: Simplify right side
66,827,423.79x = 1,834,985,211,176,358 - Step 5: Solve for x
x = 1,834,985,211,176,358/66,827,423.79 - Step 6: Final answer
x = 27,458,565.77
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.