Finding the Fourth Proportional to 107,963,181.83, 148,988,742.17 and 58,403,433.36
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Solution
The fourth proportional to 107,963,181.83, 148,988,742.17 and 58,403,433.36 is: 80,596,495.28
Step by Step Solution
- Step 1: Write the proportion equation
107,963,181.83 : 148,988,742.17 = 58,403,433.36 : x - Step 2: Convert to fraction form
107,963,181.83/148,988,742.17 = 58,403,433.36/x - Step 3: Cross multiply
107,963,181.83x = 148,988,742.17 × 58,403,433.36 - Step 4: Simplify right side
107,963,181.83x = 8,701,454,074,473,258 - Step 5: Solve for x
x = 8,701,454,074,473,258/107,963,181.83 - Step 6: Final answer
x = 80,596,495.28
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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.