Finding the Fourth Proportional to 56,348,428.80, 77,762,753.28 and 31,569,660.48
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Solution
The fourth proportional to 56,348,428.80, 77,762,753.28 and 31,569,660.48 is: 43,567,208.02
Step by Step Solution
- Step 1: Write the proportion equation
56,348,428.80 : 77,762,753.28 = 31,569,660.48 : x - Step 2: Convert to fraction form
56,348,428.80/77,762,753.28 = 31,569,660.48/x - Step 3: Cross multiply
56,348,428.80x = 77,762,753.28 × 31,569,660.48 - Step 4: Simplify right side
56,348,428.80x = 2,454,943,719,039,606.50 - Step 5: Solve for x
x = 2,454,943,719,039,606.50/56,348,428.80 - Step 6: Final answer
x = 43,567,208.02
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.