Finding the Fourth Proportional to 180,873,715.08, 249,600,381.30 and 102,564,418.44
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Solution
The fourth proportional to 180,873,715.08, 249,600,381.30 and 102,564,418.44 is: 141,535,866.28
Step by Step Solution
- Step 1: Write the proportion equation
180,873,715.08 : 249,600,381.30 = 102,564,418.44 : x - Step 2: Convert to fraction form
180,873,715.08/249,600,381.30 = 102,564,418.44/x - Step 3: Cross multiply
180,873,715.08x = 249,600,381.30 × 102,564,418.44 - Step 4: Simplify right side
180,873,715.08x = 25,600,117,950,436,752 - Step 5: Solve for x
x = 25,600,117,950,436,752/180,873,715.08 - Step 6: Final answer
x = 141,535,866.28
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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.