Finding the Fourth Proportional to 56,167,366.71, 84,290,160.81 and 19,778,688.07
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Solution
The fourth proportional to 56,167,366.71, 84,290,160.81 and 19,778,688.07 is: 29,681,804.50
Step by Step Solution
- Step 1: Write the proportion equation
56,167,366.71 : 84,290,160.81 = 19,778,688.07 : x - Step 2: Convert to fraction form
56,167,366.71/84,290,160.81 = 19,778,688.07/x - Step 3: Cross multiply
56,167,366.71x = 84,290,160.81 × 19,778,688.07 - Step 4: Simplify right side
56,167,366.71x = 1,667,148,797,894,573 - Step 5: Solve for x
x = 1,667,148,797,894,573/56,167,366.71 - Step 6: Final answer
x = 29,681,804.50
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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.