Finding the Fourth Proportional to 159,909,997,133.36, 239,864,981,134.42 and 70,372,990,503.79
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Solution
The fourth proportional to 159,909,997,133.36, 239,864,981,134.42 and 70,372,990,503.79 is: 105,559,479,345.66
Step by Step Solution
- Step 1: Write the proportion equation
159,909,997,133.36 : 239,864,981,134.42 = 70,372,990,503.79 : x - Step 2: Convert to fraction form
159,909,997,133.36/239,864,981,134.42 = 70,372,990,503.79/x - Step 3: Cross multiply
159,909,997,133.36x = 239,864,981,134.42 × 70,372,990,503.79 - Step 4: Simplify right side
159,909,997,133.36x = 16,880,016,039,563,109,597,184 - Step 5: Solve for x
x = 16,880,016,039,563,109,597,184/159,909,997,133.36 - Step 6: Final answer
x = 105,559,479,345.66
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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.