Finding the Fourth Proportional to 121,241,427.30, 181,862,140.95 and 59,859,991.80
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Solution
The fourth proportional to 121,241,427.30, 181,862,140.95 and 59,859,991.80 is: 89,789,987.70
Step by Step Solution
- Step 1: Write the proportion equation
121,241,427.30 : 181,862,140.95 = 59,859,991.80 : x - Step 2: Convert to fraction form
121,241,427.30/181,862,140.95 = 59,859,991.80/x - Step 3: Cross multiply
121,241,427.30x = 181,862,140.95 × 59,859,991.80 - Step 4: Simplify right side
121,241,427.30x = 10,886,266,265,997,442 - Step 5: Solve for x
x = 10,886,266,265,997,442/121,241,427.30 - Step 6: Final answer
x = 89,789,987.70
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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.