Finding the Fourth Proportional to 124,457,206.08, 171,750,975.52 and 68,702,658.88
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Solution
The fourth proportional to 124,457,206.08, 171,750,975.52 and 68,702,658.88 is: 94,809,686.44
Step by Step Solution
- Step 1: Write the proportion equation
124,457,206.08 : 171,750,975.52 = 68,702,658.88 : x - Step 2: Convert to fraction form
124,457,206.08/171,750,975.52 = 68,702,658.88/x - Step 3: Cross multiply
124,457,206.08x = 171,750,975.52 × 68,702,658.88 - Step 4: Simplify right side
124,457,206.08x = 11,799,748,683,457,790 - Step 5: Solve for x
x = 11,799,748,683,457,790/124,457,206.08 - Step 6: Final answer
x = 94,809,686.44
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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.