Finding the Fourth Proportional to 159,445,399.42, 220,034,649.40 and 86,106,541.42
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Solution
The fourth proportional to 159,445,399.42, 220,034,649.40 and 86,106,541.42 is: 118,827,026.19
Step by Step Solution
- Step 1: Write the proportion equation
159,445,399.42 : 220,034,649.40 = 86,106,541.42 : x - Step 2: Convert to fraction form
159,445,399.42/220,034,649.40 = 86,106,541.42/x - Step 3: Cross multiply
159,445,399.42x = 220,034,649.40 × 86,106,541.42 - Step 4: Simplify right side
159,445,399.42x = 18,946,422,652,396,280 - Step 5: Solve for x
x = 18,946,422,652,396,280/159,445,399.42 - Step 6: Final answer
x = 118,827,026.19
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.