Finding the Fourth Proportional to 56,465,592.58, 77,878,587.95 and 40,843,220.09
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Solution
The fourth proportional to 56,465,592.58, 77,878,587.95 and 40,843,220.09 is: 56,331,867.99
Step by Step Solution
- Step 1: Write the proportion equation
56,465,592.58 : 77,878,587.95 = 40,843,220.09 : x - Step 2: Convert to fraction form
56,465,592.58/77,878,587.95 = 40,843,220.09/x - Step 3: Cross multiply
56,465,592.58x = 77,878,587.95 × 40,843,220.09 - Step 4: Simplify right side
56,465,592.58x = 3,180,812,307,499,825 - Step 5: Solve for x
x = 3,180,812,307,499,825/56,465,592.58 - Step 6: Final answer
x = 56,331,867.99
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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.