Finding the Fourth Proportional to 106,935,860.40, 160,746,274.80 and 99,353,968.80
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Solution
The fourth proportional to 106,935,860.40, 160,746,274.80 and 99,353,968.80 is: 149,349,154.82
Step by Step Solution
- Step 1: Write the proportion equation
106,935,860.40 : 160,746,274.80 = 99,353,968.80 : x - Step 2: Convert to fraction form
106,935,860.40/160,746,274.80 = 99,353,968.80/x - Step 3: Cross multiply
106,935,860.40x = 160,746,274.80 × 99,353,968.80 - Step 4: Simplify right side
106,935,860.40x = 15,970,780,371,195,426 - Step 5: Solve for x
x = 15,970,780,371,195,426/106,935,860.40 - Step 6: Final answer
x = 149,349,154.82
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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.