Finding the Fourth Proportional to 124,030,293.12, 171,160,133.76 and 69,026,135.04
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Solution
The fourth proportional to 124,030,293.12, 171,160,133.76 and 69,026,135.04 is: 95,255,136.54
Step by Step Solution
- Step 1: Write the proportion equation
124,030,293.12 : 171,160,133.76 = 69,026,135.04 : x - Step 2: Convert to fraction form
124,030,293.12/171,160,133.76 = 69,026,135.04/x - Step 3: Cross multiply
124,030,293.12x = 171,160,133.76 × 69,026,135.04 - Step 4: Simplify right side
124,030,293.12x = 11,814,522,506,382,224 - Step 5: Solve for x
x = 11,814,522,506,382,224/124,030,293.12 - Step 6: Final answer
x = 95,255,136.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.