Finding the Fourth Proportional to 69,186,078.24, 103,698,056.88 and 28,219,950.24
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Solution
The fourth proportional to 69,186,078.24, 103,698,056.88 and 28,219,950.24 is: 42,296,862.02
Step by Step Solution
- Step 1: Write the proportion equation
69,186,078.24 : 103,698,056.88 = 28,219,950.24 : x - Step 2: Convert to fraction form
69,186,078.24/103,698,056.88 = 28,219,950.24/x - Step 3: Cross multiply
69,186,078.24x = 103,698,056.88 × 28,219,950.24 - Step 4: Simplify right side
69,186,078.24x = 2,926,354,005,138,289.50 - Step 5: Solve for x
x = 2,926,354,005,138,289.50/69,186,078.24 - Step 6: Final answer
x = 42,296,862.02
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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.