Finding the Fourth Proportional to 172,642,746.18, 238,244,209.30 and 94,324,618.02
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Solution
The fourth proportional to 172,642,746.18, 238,244,209.30 and 94,324,618.02 is: 130,166,453.76
Step by Step Solution
- Step 1: Write the proportion equation
172,642,746.18 : 238,244,209.30 = 94,324,618.02 : x - Step 2: Convert to fraction form
172,642,746.18/238,244,209.30 = 94,324,618.02/x - Step 3: Cross multiply
172,642,746.18x = 238,244,209.30 × 94,324,618.02 - Step 4: Simplify right side
172,642,746.18x = 22,472,294,037,699,432 - Step 5: Solve for x
x = 22,472,294,037,699,432/172,642,746.18 - Step 6: Final answer
x = 130,166,453.76
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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.