Finding the Fourth Proportional to 180,593,568.36, 249,217,753.86 and 98,087,943.60
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Solution
The fourth proportional to 180,593,568.36, 249,217,753.86 and 98,087,943.60 is: 135,360,617.80
Step by Step Solution
- Step 1: Write the proportion equation
180,593,568.36 : 249,217,753.86 = 98,087,943.60 : x - Step 2: Convert to fraction form
180,593,568.36/249,217,753.86 = 98,087,943.60/x - Step 3: Cross multiply
180,593,568.36x = 249,217,753.86 × 98,087,943.60 - Step 4: Simplify right side
180,593,568.36x = 24,445,256,984,738,364 - Step 5: Solve for x
x = 24,445,256,984,738,364/180,593,568.36 - Step 6: Final answer
x = 135,360,617.80
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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.