Finding the Fourth Proportional to 163,930,890.80, 246,179,771.40 and 87,403,386.80
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Solution
The fourth proportional to 163,930,890.80, 246,179,771.40 and 87,403,386.80 is: 131,256,199.96
Step by Step Solution
- Step 1: Write the proportion equation
163,930,890.80 : 246,179,771.40 = 87,403,386.80 : x - Step 2: Convert to fraction form
163,930,890.80/246,179,771.40 = 87,403,386.80/x - Step 3: Cross multiply
163,930,890.80x = 246,179,771.40 × 87,403,386.80 - Step 4: Simplify right side
163,930,890.80x = 21,516,945,782,009,776 - Step 5: Solve for x
x = 21,516,945,782,009,776/163,930,890.80 - Step 6: Final answer
x = 131,256,199.96
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.