Finding the Fourth Proportional to 147,217,422.08, 203,168,031.90 and 84,493,018.56
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Solution
The fourth proportional to 147,217,422.08, 203,168,031.90 and 84,493,018.56 is: 116,604,951.02
Step by Step Solution
- Step 1: Write the proportion equation
147,217,422.08 : 203,168,031.90 = 84,493,018.56 : x - Step 2: Convert to fraction form
147,217,422.08/203,168,031.90 = 84,493,018.56/x - Step 3: Cross multiply
147,217,422.08x = 203,168,031.90 × 84,493,018.56 - Step 4: Simplify right side
147,217,422.08x = 17,166,280,290,570,404 - Step 5: Solve for x
x = 17,166,280,290,570,404/147,217,422.08 - Step 6: Final answer
x = 116,604,951.02
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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.