Finding the Fourth Proportional to 180,473,720.40, 249,053,040.36 and 97,966,783.44
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Solution
The fourth proportional to 180,473,720.40, 249,053,040.36 and 97,966,783.44 is: 135,193,784.54
Step by Step Solution
- Step 1: Write the proportion equation
180,473,720.40 : 249,053,040.36 = 97,966,783.44 : x - Step 2: Convert to fraction form
180,473,720.40/249,053,040.36 = 97,966,783.44/x - Step 3: Cross multiply
180,473,720.40x = 249,053,040.36 × 97,966,783.44 - Step 4: Simplify right side
180,473,720.40x = 24,398,925,270,021,700 - Step 5: Solve for x
x = 24,398,925,270,021,700/180,473,720.40 - Step 6: Final answer
x = 135,193,784.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.