Finding the Fourth Proportional to 68,184,244.80, 94,070,918.16 and 38,808,227.52
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Solution
The fourth proportional to 68,184,244.80, 94,070,918.16 and 38,808,227.52 is: 53,542,069.81
Step by Step Solution
- Step 1: Write the proportion equation
68,184,244.80 : 94,070,918.16 = 38,808,227.52 : x - Step 2: Convert to fraction form
68,184,244.80/94,070,918.16 = 38,808,227.52/x - Step 3: Cross multiply
68,184,244.80x = 94,070,918.16 × 38,808,227.52 - Step 4: Simplify right side
68,184,244.80x = 3,650,725,594,968,580 - Step 5: Solve for x
x = 3,650,725,594,968,580/68,184,244.80 - Step 6: Final answer
x = 53,542,069.81
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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.