Finding the Fourth Proportional to 89,578,637,120.52, 134,367,035,377.41 and 51,781,162,129.09
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Solution
The fourth proportional to 89,578,637,120.52, 134,367,035,377.41 and 51,781,162,129.09 is: 77,671,211,209.89
Step by Step Solution
- Step 1: Write the proportion equation
89,578,637,120.52 : 134,367,035,377.41 = 51,781,162,129.09 : x - Step 2: Convert to fraction form
89,578,637,120.52/134,367,035,377.41 = 51,781,162,129.09/x - Step 3: Cross multiply
89,578,637,120.52x = 134,367,035,377.41 × 51,781,162,129.09 - Step 4: Simplify right side
89,578,637,120.52x = 6,957,681,243,682,435,497,984 - Step 5: Solve for x
x = 6,957,681,243,682,435,497,984/89,578,637,120.52 - Step 6: Final answer
x = 77,671,211,209.89
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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.