Finding the Fourth Proportional to 163,538,374.02, 245,416,649.90 and 84,827,423.90
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Solution
The fourth proportional to 163,538,374.02, 245,416,649.90 and 84,827,423.90 is: 127,297,720.28
Step by Step Solution
- Step 1: Write the proportion equation
163,538,374.02 : 245,416,649.90 = 84,827,423.90 : x - Step 2: Convert to fraction form
163,538,374.02/245,416,649.90 = 84,827,423.90/x - Step 3: Cross multiply
163,538,374.02x = 245,416,649.90 × 84,827,423.90 - Step 4: Simplify right side
163,538,374.02x = 20,818,062,191,533,972 - Step 5: Solve for x
x = 20,818,062,191,533,972/163,538,374.02 - Step 6: Final answer
x = 127,297,720.28
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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.