Finding the Fourth Proportional to 56,776,825, 78,352,088.16 and 30,671,342.29
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Solution
The fourth proportional to 56,776,825, 78,352,088.16 and 30,671,342.29 is: 42,326,489.99
Step by Step Solution
- Step 1: Write the proportion equation
56,776,825 : 78,352,088.16 = 30,671,342.29 : x - Step 2: Convert to fraction form
56,776,825/78,352,088.16 = 30,671,342.29/x - Step 3: Cross multiply
56,776,825x = 78,352,088.16 × 30,671,342.29 - Step 4: Simplify right side
56,776,825x = 2,403,163,715,091,616 - Step 5: Solve for x
x = 2,403,163,715,091,616/56,776,825 - Step 6: Final answer
x = 42,326,489.99
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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.