Finding the Fourth Proportional to 221,341,001.05, 332,011,501.58 and 153,316,553.05
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Solution
The fourth proportional to 221,341,001.05, 332,011,501.58 and 153,316,553.05 is: 229,974,829.58
Step by Step Solution
- Step 1: Write the proportion equation
221,341,001.05 : 332,011,501.58 = 153,316,553.05 : x - Step 2: Convert to fraction form
221,341,001.05/332,011,501.58 = 153,316,553.05/x - Step 3: Cross multiply
221,341,001.05x = 332,011,501.58 × 153,316,553.05 - Step 4: Simplify right side
221,341,001.05x = 50,902,858,994,433,648 - Step 5: Solve for x
x = 50,902,858,994,433,648/221,341,001.05 - Step 6: Final answer
x = 229,974,829.58
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1.5x scale
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.