Finding the Fourth Proportional to 75,550,652.32, 104,246,893.20 and 42,506,315.68
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Solution
The fourth proportional to 75,550,652.32, 104,246,893.20 and 42,506,315.68 is: 58,651,397.64
Step by Step Solution
- Step 1: Write the proportion equation
75,550,652.32 : 104,246,893.20 = 42,506,315.68 : x - Step 2: Convert to fraction form
75,550,652.32/104,246,893.20 = 42,506,315.68/x - Step 3: Cross multiply
75,550,652.32x = 104,246,893.20 × 42,506,315.68 - Step 4: Simplify right side
75,550,652.32x = 4,431,151,351,018,445.50 - Step 5: Solve for x
x = 4,431,151,351,018,445.50/75,550,652.32 - Step 6: Final answer
x = 58,651,397.64
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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.