Finding the Fourth Proportional to 99,684,047.20, 149,526,070.80 and 97,444,559.20
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Solution
The fourth proportional to 99,684,047.20, 149,526,070.80 and 97,444,559.20 is: 146,166,838.80
Step by Step Solution
- Step 1: Write the proportion equation
99,684,047.20 : 149,526,070.80 = 97,444,559.20 : x - Step 2: Convert to fraction form
99,684,047.20/149,526,070.80 = 97,444,559.20/x - Step 3: Cross multiply
99,684,047.20x = 149,526,070.80 × 97,444,559.20 - Step 4: Simplify right side
99,684,047.20x = 14,570,502,058,013,992 - Step 5: Solve for x
x = 14,570,502,058,013,992/99,684,047.20 - Step 6: Final answer
x = 146,166,838.80
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1.5x scale
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.