Finding the Fourth Proportional to 68,118,562.57, 102,191,325.62 and 24,988,142.65
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Solution
The fourth proportional to 68,118,562.57, 102,191,325.62 and 24,988,142.65 is: 37,487,159.53
Step by Step Solution
- Step 1: Write the proportion equation
68,118,562.57 : 102,191,325.62 = 24,988,142.65 : x - Step 2: Convert to fraction form
68,118,562.57/102,191,325.62 = 24,988,142.65/x - Step 3: Cross multiply
68,118,562.57x = 102,191,325.62 × 24,988,142.65 - Step 4: Simplify right side
68,118,562.57x = 2,553,571,422,185,159.50 - Step 5: Solve for x
x = 2,553,571,422,185,159.50/68,118,562.57 - Step 6: Final answer
x = 37,487,159.53
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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.