Finding the Fourth Proportional to 109,654,430.70, 164,481,646.05 and 106,465,784.70
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Solution
The fourth proportional to 109,654,430.70, 164,481,646.05 and 106,465,784.70 is: 159,698,677.05
Step by Step Solution
- Step 1: Write the proportion equation
109,654,430.70 : 164,481,646.05 = 106,465,784.70 : x - Step 2: Convert to fraction form
109,654,430.70/164,481,646.05 = 106,465,784.70/x - Step 3: Cross multiply
109,654,430.70x = 164,481,646.05 × 106,465,784.70 - Step 4: Simplify right side
109,654,430.70x = 17,511,667,515,460,908 - Step 5: Solve for x
x = 17,511,667,515,460,908/109,654,430.70 - Step 6: Final answer
x = 159,698,677.05
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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.