Finding the Fourth Proportional to 88,566,398,134.47, 122,221,550,463.88 and 49,993,437,161.34
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Solution
The fourth proportional to 88,566,398,134.47, 122,221,550,463.88 and 49,993,437,161.34 is: 68,990,898,710.82
Step by Step Solution
- Step 1: Write the proportion equation
88,566,398,134.47 : 122,221,550,463.88 = 49,993,437,161.34 : x - Step 2: Convert to fraction form
88,566,398,134.47/122,221,550,463.88 = 49,993,437,161.34/x - Step 3: Cross multiply
88,566,398,134.47x = 122,221,550,463.88 × 49,993,437,161.34 - Step 4: Simplify right side
88,566,398,134.47x = 6,110,275,402,877,530,800,128 - Step 5: Solve for x
x = 6,110,275,402,877,530,800,128/88,566,398,134.47 - Step 6: Final answer
x = 68,990,898,710.82
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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.