Finding the Fourth Proportional to 75,279,309.72, 112,925,700.66 and 29,220,098.28
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Solution
The fourth proportional to 75,279,309.72, 112,925,700.66 and 29,220,098.28 is: 43,832,762.07
Step by Step Solution
- Step 1: Write the proportion equation
75,279,309.72 : 112,925,700.66 = 29,220,098.28 : x - Step 2: Convert to fraction form
75,279,309.72/112,925,700.66 = 29,220,098.28/x - Step 3: Cross multiply
75,279,309.72x = 112,925,700.66 × 29,220,098.28 - Step 4: Simplify right side
75,279,309.72x = 3,299,700,071,623,061 - Step 5: Solve for x
x = 3,299,700,071,623,061/75,279,309.72 - Step 6: Final answer
x = 43,832,762.07
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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.