Finding the Fourth Proportional to 221,849,763,301.84, 306,126,845,247.52 and 124,196,751,572.44
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Solution
The fourth proportional to 221,849,763,301.84, 306,126,845,247.52 and 124,196,751,572.44 is: 171,377,057,982.85
Step by Step Solution
- Step 1: Write the proportion equation
221,849,763,301.84 : 306,126,845,247.52 = 124,196,751,572.44 : x - Step 2: Convert to fraction form
221,849,763,301.84/306,126,845,247.52 = 124,196,751,572.44/x - Step 3: Cross multiply
221,849,763,301.84x = 306,126,845,247.52 × 124,196,751,572.44 - Step 4: Simplify right side
221,849,763,301.84x = 38,019,959,748,861,030,825,984 - Step 5: Solve for x
x = 38,019,959,748,861,030,825,984/221,849,763,301.84 - Step 6: Final answer
x = 171,377,057,982.85
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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.