Finding the Fourth Proportional to 64,743,886.40, 97,115,829.60 and 32,495,259.20
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Solution
The fourth proportional to 64,743,886.40, 97,115,829.60 and 32,495,259.20 is: 48,742,888.80
Step by Step Solution
- Step 1: Write the proportion equation
64,743,886.40 : 97,115,829.60 = 32,495,259.20 : x - Step 2: Convert to fraction form
64,743,886.40/97,115,829.60 = 32,495,259.20/x - Step 3: Cross multiply
64,743,886.40x = 97,115,829.60 × 32,495,259.20 - Step 4: Simplify right side
64,743,886.40x = 3,155,804,055,275,032 - Step 5: Solve for x
x = 3,155,804,055,275,032/64,743,886.40 - Step 6: Final answer
x = 48,742,888.80
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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.