Finding the Fourth Proportional to 68,487,921.08, 94,513,457.28 and 37,125,873.08
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Solution
The fourth proportional to 68,487,921.08, 94,513,457.28 and 37,125,873.08 is: 51,233,773.26
Step by Step Solution
- Step 1: Write the proportion equation
68,487,921.08 : 94,513,457.28 = 37,125,873.08 : x - Step 2: Convert to fraction form
68,487,921.08/94,513,457.28 = 37,125,873.08/x - Step 3: Cross multiply
68,487,921.08x = 94,513,457.28 × 37,125,873.08 - Step 4: Simplify right side
68,487,921.08x = 3,508,894,619,329,282 - Step 5: Solve for x
x = 3,508,894,619,329,282/68,487,921.08 - Step 6: Final answer
x = 51,233,773.26
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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.