Finding the Fourth Proportional to 74,931,460.12, 112,413,233.58 and 22,413,256.44
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Solution
The fourth proportional to 74,931,460.12, 112,413,233.58 and 22,413,256.44 is: 33,624,683.51
Step by Step Solution
- Step 1: Write the proportion equation
74,931,460.12 : 112,413,233.58 = 22,413,256.44 : x - Step 2: Convert to fraction form
74,931,460.12/112,413,233.58 = 22,413,256.44/x - Step 3: Cross multiply
74,931,460.12x = 112,413,233.58 × 22,413,256.44 - Step 4: Simplify right side
74,931,460.12x = 2,519,546,631,478,159.50 - Step 5: Solve for x
x = 2,519,546,631,478,159.50/74,931,460.12 - Step 6: Final answer
x = 33,624,683.51
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.