Finding the Fourth Proportional to 196,128,980.70, 293,662,629.45 and 153,661,652.70
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Solution
The fourth proportional to 196,128,980.70, 293,662,629.45 and 153,661,652.70 is: 230,076,579.28
Step by Step Solution
- Step 1: Write the proportion equation
196,128,980.70 : 293,662,629.45 = 153,661,652.70 : x - Step 2: Convert to fraction form
196,128,980.70/293,662,629.45 = 153,661,652.70/x - Step 3: Cross multiply
196,128,980.70x = 293,662,629.45 × 153,661,652.70 - Step 4: Simplify right side
196,128,980.70x = 45,124,684,977,514,688 - Step 5: Solve for x
x = 45,124,684,977,514,688/196,128,980.70 - Step 6: Final answer
x = 230,076,579.28
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.