Finding the Fourth Proportional to 69,636,489.84, 96,094,845.09 and 38,695,994.82
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Solution
The fourth proportional to 69,636,489.84, 96,094,845.09 and 38,695,994.82 is: 53,398,521.90
Step by Step Solution
- Step 1: Write the proportion equation
69,636,489.84 : 96,094,845.09 = 38,695,994.82 : x - Step 2: Convert to fraction form
69,636,489.84/96,094,845.09 = 38,695,994.82/x - Step 3: Cross multiply
69,636,489.84x = 96,094,845.09 × 38,695,994.82 - Step 4: Simplify right side
69,636,489.84x = 3,718,485,627,831,342.50 - Step 5: Solve for x
x = 3,718,485,627,831,342.50/69,636,489.84 - Step 6: Final answer
x = 53,398,521.90
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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.