Finding the Fourth Proportional to 97,159,320.66, 134,076,197.96 and 53,105,947.86
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Solution
The fourth proportional to 97,159,320.66, 134,076,197.96 and 53,105,947.86 is: 73,284,205.05
Step by Step Solution
- Step 1: Write the proportion equation
97,159,320.66 : 134,076,197.96 = 53,105,947.86 : x - Step 2: Convert to fraction form
97,159,320.66/134,076,197.96 = 53,105,947.86/x - Step 3: Cross multiply
97,159,320.66x = 134,076,197.96 × 53,105,947.86 - Step 4: Simplify right side
97,159,320.66x = 7,120,243,578,130,798 - Step 5: Solve for x
x = 7,120,243,578,130,798/97,159,320.66 - Step 6: Final answer
x = 73,284,205.05
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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.