Finding the Fourth Proportional to 84,106,209,402.77, 126,159,637,584.33 and 20,363,449,096.87
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Solution
The fourth proportional to 84,106,209,402.77, 126,159,637,584.33 and 20,363,449,096.87 is: 30,545,251,964.99
Step by Step Solution
- Step 1: Write the proportion equation
84,106,209,402.77 : 126,159,637,584.33 = 20,363,449,096.87 : x - Step 2: Convert to fraction form
84,106,209,402.77/126,159,637,584.33 = 20,363,449,096.87/x - Step 3: Cross multiply
84,106,209,402.77x = 126,159,637,584.33 × 20,363,449,096.87 - Step 4: Simplify right side
84,106,209,402.77x = 2,569,045,358,027,818,926,080 - Step 5: Solve for x
x = 2,569,045,358,027,818,926,080/84,106,209,402.77 - Step 6: Final answer
x = 30,545,251,964.99
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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.