Finding the Fourth Proportional to 122,526,836.30, 183,566,305.65 and 99,684,058.70
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Solution
The fourth proportional to 122,526,836.30, 183,566,305.65 and 99,684,058.70 is: 149,343,890.21
Step by Step Solution
- Step 1: Write the proportion equation
122,526,836.30 : 183,566,305.65 = 99,684,058.70 : x - Step 2: Convert to fraction form
122,526,836.30/183,566,305.65 = 99,684,058.70/x - Step 3: Cross multiply
122,526,836.30x = 183,566,305.65 × 99,684,058.70 - Step 4: Simplify right side
122,526,836.30x = 18,298,634,387,756,744 - Step 5: Solve for x
x = 18,298,634,387,756,744/122,526,836.30 - Step 6: Final answer
x = 149,343,890.21
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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.