Finding the Fourth Proportional to 221,786,132.36, 306,076,328.36 and 127,714,242.20
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Solution
The fourth proportional to 221,786,132.36, 306,076,328.36 and 127,714,242.20 is: 176,252,256.69
Step by Step Solution
- Step 1: Write the proportion equation
221,786,132.36 : 306,076,328.36 = 127,714,242.20 : x - Step 2: Convert to fraction form
221,786,132.36/306,076,328.36 = 127,714,242.20/x - Step 3: Cross multiply
221,786,132.36x = 306,076,328.36 × 127,714,242.20 - Step 4: Simplify right side
221,786,132.36x = 39,090,306,331,855,768 - Step 5: Solve for x
x = 39,090,306,331,855,768/221,786,132.36 - Step 6: Final answer
x = 176,252,256.69
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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.