Finding the Fourth Proportional to 180,752,645.79, 249,421,221.63 and 101,370,929.94
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Solution
The fourth proportional to 180,752,645.79, 249,421,221.63 and 101,370,929.94 is: 139,882,108.35
Step by Step Solution
- Step 1: Write the proportion equation
180,752,645.79 : 249,421,221.63 = 101,370,929.94 : x - Step 2: Convert to fraction form
180,752,645.79/249,421,221.63 = 101,370,929.94/x - Step 3: Cross multiply
180,752,645.79x = 249,421,221.63 × 101,370,929.94 - Step 4: Simplify right side
180,752,645.79x = 25,284,061,183,403,940 - Step 5: Solve for x
x = 25,284,061,183,403,940/180,752,645.79 - Step 6: Final answer
x = 139,882,108.35
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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.