Finding the Fourth Proportional to 87,850,784.12, 121,241,337.23 and 48,704,840.06
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Solution
The fourth proportional to 87,850,784.12, 121,241,337.23 and 48,704,840.06 is: 67,216,701.56
Step by Step Solution
- Step 1: Write the proportion equation
87,850,784.12 : 121,241,337.23 = 48,704,840.06 : x - Step 2: Convert to fraction form
87,850,784.12/121,241,337.23 = 48,704,840.06/x - Step 3: Cross multiply
87,850,784.12x = 121,241,337.23 × 48,704,840.06 - Step 4: Simplify right side
87,850,784.12x = 5,905,039,937,963,229 - Step 5: Solve for x
x = 5,905,039,937,963,229/87,850,784.12 - Step 6: Final answer
x = 67,216,701.56
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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.