Finding the Fourth Proportional to 89,578,637,069.68, 134,367,035,301.31 and 51,781,162,078.26
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Solution
The fourth proportional to 89,578,637,069.68, 134,367,035,301.31 and 51,781,162,078.26 is: 77,671,211,133.75
Step by Step Solution
- Step 1: Write the proportion equation
89,578,637,069.68 : 134,367,035,301.31 = 51,781,162,078.26 : x - Step 2: Convert to fraction form
89,578,637,069.68/134,367,035,301.31 = 51,781,162,078.26/x - Step 3: Cross multiply
89,578,637,069.68x = 134,367,035,301.31 × 51,781,162,078.26 - Step 4: Simplify right side
89,578,637,069.68x = 6,957,681,232,912,415,981,568 - Step 5: Solve for x
x = 6,957,681,232,912,415,981,568/89,578,637,069.68 - Step 6: Final answer
x = 77,671,211,133.75
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1.5x scale
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.