Finding the Fourth Proportional to 180,559,125.10, 249,247,868.53 and 121,901,242.71
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Solution
The fourth proportional to 180,559,125.10, 249,247,868.53 and 121,901,242.71 is: 168,275,211.24
Step by Step Solution
- Step 1: Write the proportion equation
180,559,125.10 : 249,247,868.53 = 121,901,242.71 : x - Step 2: Convert to fraction form
180,559,125.10/249,247,868.53 = 121,901,242.71/x - Step 3: Cross multiply
180,559,125.10x = 249,247,868.53 × 121,901,242.71 - Step 4: Simplify right side
180,559,125.10x = 30,383,624,917,484,804 - Step 5: Solve for x
x = 30,383,624,917,484,804/180,559,125.10 - Step 6: Final answer
x = 168,275,211.24
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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.