Finding the Fourth Proportional to 219,157,634.23, 302,353,390.01 and 125,077,008.53
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Solution
The fourth proportional to 219,157,634.23, 302,353,390.01 and 125,077,008.53 is: 172,558,248.66
Step by Step Solution
- Step 1: Write the proportion equation
219,157,634.23 : 302,353,390.01 = 125,077,008.53 : x - Step 2: Convert to fraction form
219,157,634.23/302,353,390.01 = 125,077,008.53/x - Step 3: Cross multiply
219,157,634.23x = 302,353,390.01 × 125,077,008.53 - Step 4: Simplify right side
219,157,634.23x = 37,817,457,542,489,008 - Step 5: Solve for x
x = 37,817,457,542,489,008/219,157,634.23 - Step 6: Final answer
x = 172,558,248.66
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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.