Finding the Fourth Proportional to 243,455,284.98, 365,238,915.75 and 79,698,323.70
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Solution
The fourth proportional to 243,455,284.98, 365,238,915.75 and 79,698,323.70 is: 119,565,814.06
Step by Step Solution
- Step 1: Write the proportion equation
243,455,284.98 : 365,238,915.75 = 79,698,323.70 : x - Step 2: Convert to fraction form
243,455,284.98/365,238,915.75 = 79,698,323.70/x - Step 3: Cross multiply
243,455,284.98x = 365,238,915.75 × 79,698,323.70 - Step 4: Simplify right side
243,455,284.98x = 29,108,929,335,280,528 - Step 5: Solve for x
x = 29,108,929,335,280,528/243,455,284.98 - Step 6: Final answer
x = 119,565,814.06
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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.